xkb: fix shadow warnings

xkb.c: In function ‘ProcXkbSetCompatMap’:
xkb.c:2601:20: warning: declaration of ‘i’ shadows a previous local [-Wshadow=compatible-local]
  register unsigned i,bit;
                    ^
xkb.c:2529:23: note: shadowed declaration is here
     register unsigned i,bit;
                       ^
xkb.c:2601:22: warning: declaration of ‘bit’ shadows a previous local [-Wshadow=compatible-local]
  register unsigned i,bit;
                      ^~~
xkb.c:2529:25: note: shadowed declaration is here
     register unsigned i,bit;
                         ^~~

Backport of this xorg upstream commit:

  commit 344eea237fc07dedfd733d14f95ed0ad26bb5f81
  Author: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
  Date:   Tue Oct 16 02:04:34 2012 -0500

    xkb: fix shadow warnings

    Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
    Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

5 files changed, 12 insertions, 16 deletions

diff --git a/nx-X11/programs/Xserver/xkb/ddxList.c b/nx-X11/programs/Xserver/xkb/ddxList.c
index 449828a59..ee5d63fac 100644
--- a/nx-X11/programs/Xserver/xkb/ddxList.c
+++ b/nx-X11/programs/Xserver/xkb/ddxList.c
@@ -136,7 +136,6 @@ char	tmpname[PATH_MAX];
     file= list->pattern[what];
     map= strrchr(file,'(');
     if (map!=NULL) {
-	char *tmp;
 	map++;
 	tmp= strrchr(map,')');
 	if ((tmp==NULL)||(tmp[1]!='\0')) {
diff --git a/nx-X11/programs/Xserver/xkb/xkb.c b/nx-X11/programs/Xserver/xkb/xkb.c
index 238b0897e..7b392fa09 100644
--- a/nx-X11/programs/Xserver/xkb/xkb.c
+++ b/nx-X11/programs/Xserver/xkb/xkb.c
@@ -876,21 +876,21 @@ XkbWriteKeyTypes(	XkbDescPtr		xkb,
 
 	buf= (char *)&wire[1];
 	if (wire->nMapEntries>0) {
-	    xkbKTMapEntryWireDesc *	wire;
+	    xkbKTMapEntryWireDesc *	ewire;
 	    XkbKTMapEntryPtr		entry;
-	    wire= (xkbKTMapEntryWireDesc *)buf;
+	    ewire= (xkbKTMapEntryWireDesc *)buf;
 	    entry= type->map;
-	    for (n=0;n<type->map_count;n++,wire++,entry++) {
-		wire->active= entry->active;
-		wire->mask= entry->mods.mask;
-		wire->level= entry->level;
-		wire->realMods= entry->mods.real_mods;
-		wire->virtualMods= entry->mods.vmods;
+	    for (n=0;n<type->map_count;n++,ewire++,entry++) {
+		ewire->active= entry->active;
+		ewire->mask= entry->mods.mask;
+		ewire->level= entry->level;
+		ewire->realMods= entry->mods.real_mods;
+		ewire->virtualMods= entry->mods.vmods;
 		if (client->swapped) {
-		    swaps(&wire->virtualMods);
+		    swaps(&ewire->virtualMods);
 		}
 	    }
-	    buf= (char *)wire;
+	    buf= (char *)ewire;
 	    if (type->preserve!=NULL) {
 		xkbModsWireDesc *	pwire;
 		XkbModsPtr		preserve;
@@ -2598,7 +2598,6 @@ ProcXkbSetCompatMap(ClientPtr client)
     }
 
     if (stuff->groups!=0) {
-	register unsigned i,bit;
 	xkbModsWireDesc *wire = (xkbModsWireDesc *)data;
 	for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {
 	    if (stuff->groups&bit) {
diff --git a/nx-X11/programs/Xserver/xkb/xkbPrKeyEv.c b/nx-X11/programs/Xserver/xkb/xkbPrKeyEv.c
index 253b4654e..a26cd88c2 100644
--- a/nx-X11/programs/Xserver/xkb/xkbPrKeyEv.c
+++ b/nx-X11/programs/Xserver/xkb/xkbPrKeyEv.c
@@ -117,12 +117,12 @@ unsigned        ndx;
 		        return;
 		    }
 		    if ( rg->currentDown!=0 ) {
-			int key = xE->u.u.detail;
+			int tmpkey = xE->u.u.detail;
 			xE->u.u.type= KeyRelease;
 			xE->u.u.detail= rg->currentDown;
 		        XkbHandleActions(keybd,keybd,xE,count);
 		        xE->u.u.type= KeyPress;
-		        xE->u.u.detail= key;
+		        xE->u.u.detail= tmpkey;
 		    }
 		    rg->currentDown= key;
 		}
diff --git a/nx-X11/programs/Xserver/xkb/xkbtext.c b/nx-X11/programs/Xserver/xkb/xkbtext.c
index dc1c712ae..0110b64e0 100644
--- a/nx-X11/programs/Xserver/xkb/xkbtext.c
+++ b/nx-X11/programs/Xserver/xkb/xkbtext.c
@@ -1271,7 +1271,6 @@ char	buf[256],*tmp;
 	}
 	else if (type==XkbKB_RadioGroup) {
 	    int 	g;
-	    char	*tmp;
 	    g= ((behavior->data)&(~XkbKB_RGAllowNone))+1;
 	    if (XkbKB_RGAllowNone&behavior->data) {
 		sprintf(buf,"allowNone,");
diff --git a/nx-X11/programs/Xserver/xkb/xkmread.c b/nx-X11/programs/Xserver/xkb/xkmread.c
index b24c43e03..3bb4414e3 100644
--- a/nx-X11/programs/Xserver/xkb/xkmread.c
+++ b/nx-X11/programs/Xserver/xkb/xkmread.c
@@ -636,7 +636,6 @@ XkbDescPtr		xkb;
 	bzero((char *)typeName,XkbNumKbdGroups*sizeof(Atom));
 	bzero((char *)type,XkbNumKbdGroups*sizeof(XkbKeyTypePtr));
 	if (wireMap.flags&XkmKeyHasTypes) {
-	    register int g;
 	    for (g=0;g<XkbNumKbdGroups;g++) {
 		if ((wireMap.flags&(1<<g))&&
 			((tmp=XkmGetCountedString(file,buf,100))>0)) {