[PATCH] winex11.drv: added missing NULL check (Coverity)

[Marcus Meissner]

Hi,

CID 459, physDev can be NULL, so check for it and handle
it like non-existing index.

Ciao, Marcus
---
 dlls/winex11.drv/palette.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/palette.c b/dlls/winex11.drv/palette.c
index 356cb95..f7dba05 100644
--- a/dlls/winex11.drv/palette.c
+++ b/dlls/winex11.drv/palette.c
@@ -895,7 +895,7 @@ int X11DRV_PALETTE_ToPhysical( X11DRV_PDEVICE *physDev, COLORREF color )
 	switch(spec_type)
         {
           case 0x10: /* DIBINDEX */
-            if( GetDIBColorTable( physDev->hdc, idx, 1, &quad ) != 1 ) {
+            if( physDev && (GetDIBColorTable( physDev->hdc, idx, 1, &quad ) != 1 )) {
                 WARN("DIBINDEX(%x) : idx %d is out of bounds, assuming black\n", color , idx);
                 return 0;
             }
@@ -929,7 +929,7 @@ int X11DRV_PALETTE_ToPhysical( X11DRV_PDEVICE *physDev, COLORREF color )
 		return (((color >> 16) & 0xff) +
 			((color >> 8) & 0xff) + (color & 0xff) > 255*3/2) ? white : 1 - white;
 	    }
-
+	    break;
 	}
 
         red = GetRValue(color); green = GetGValue(color); blue = GetBValue(color);
-- 
1.5.6