hw/nxagent/Extension.c: Don't declare pRandRScrPriv without using it later on.

 Amends the following the compiler warnings:

 ```
 Extensions.c: In function ‘nxagentRandRInitSizes’:
 Extensions.c:159:16: warning: unused variable ‘pRandRScrPriv’ [-Wunused-variable]
    rrScrPrivPtr pRandRScrPriv = rrGetScrPriv(pScreen);
                 ^
 Extensions.c: In function ‘nxagentRandRSetConfig’:
 Extensions.c:263:16: warning: unused variable ‘pRandRScrPriv’ [-Wunused-variable]
    rrScrPrivPtr pRandRScrPriv;
                 ^
 Extensions.c: In function ‘nxagentRandRScreenSetSize’:
 Extensions.c:322:16: warning: unused variable ‘pRandRScrPriv’ [-Wunused-variable]
    rrScrPrivPtr pRandRScrPriv;
                 ^
 ```

1 files changed, 0 insertions, 3 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Extensions.c b/nx-X11/programs/Xserver/hw/nxagent/Extensions.c
index d77d27674..dfa511448 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Extensions.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Extensions.c
@@ -156,7 +156,6 @@ int nxagentRandRGetInfo(ScreenPtr pScreen, Rotation *pRotations)
 static int nxagentRandRInitSizes(ScreenPtr pScreen)
 {
   RRScreenSizePtr pSize;
-  rrScrPrivPtr pRandRScrPriv = rrGetScrPriv(pScreen);
 
   int width;
   int height;
@@ -260,7 +259,6 @@ int nxagentRandRSetConfig(ScreenPtr pScreen, Rotation rotation,
                               int rate, RRScreenSizePtr pSize)
 {
   int r;
-  rrScrPrivPtr pRandRScrPriv;
 
   UpdateCurrentTime();
 
@@ -319,7 +317,6 @@ int nxagentRandRScreenSetSize(ScreenPtr pScreen, CARD16 width, CARD16 height,
                                    CARD32 mmWidth, CARD32 mmHeight)
 {
   int result;
-  rrScrPrivPtr pRandRScrPriv;
 
   UpdateCurrentTime();