hw/nxagent/Screen.h: Provide prototype for nxagentAdjustRandRXinerama(). Avoid implicit-declaration compiler warning.

 Amends the following compiler warning:

 ```
 Screen.c:3716:5: warning: implicit declaration of function ‘nxagentAdjustRandRXinerama’ [-Wimplicit-function-declaration]
      nxagentAdjustRandRXinerama(pScreen);
      ^
 ```

2 files changed, 3 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
index bfa28a0ce..767810b5e 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c
@@ -171,6 +171,7 @@ WindowPtr nxagentViewportFrameBelow;
 Bool nxagentCreateScreenResources(ScreenPtr pScreen);
 void nxagentPrintAgentGeometry(char *hdrMessage, char *prefix);
 
+
 /*
  * These variables are for shadowing feature.
  */
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.h b/nx-X11/programs/Xserver/hw/nxagent/Screen.h
index aab3ba19c..305d5648f 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Screen.h
+++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.h
@@ -102,6 +102,8 @@ Bool nxagentResizeScreen(ScreenPtr pScreen, int width, int height,
 
 int nxagentChangeScreenConfig(int screen, int width, int height, int mmWidth, int mmHeight);
 
+int nxagentAdjustRandRXinerama(ScreenPtr pScreen);
+
 extern Bool nxagentReconnectScreen(void *p0);
 
 void nxagentSaveAreas(PixmapPtr pPixmap, RegionPtr prgnSave, int xorg, int yorg, WindowPtr pWin);