dlls/winex11.drv/dib.c: initialize two warnings

[Gerald Pfeifer]

This seems to be the only invocation of DIB_GetBitmapInfo which
requires this kind of extra initialization.

Gerald

ChangeLog:
Initialize two variables in X11DRV_GetDIBits.

diff --git a/dlls/winex11.drv/dib.c b/dlls/winex11.drv/dib.c
index 6df4137..8ce43f8 100644
--- a/dlls/winex11.drv/dib.c
+++ b/dlls/winex11.drv/dib.c
@@ -4042,7 +4042,7 @@ INT CDECL X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT start
   PALETTEENTRY palette[256];
   size_t obj_size;
   int height;
-  LONG width, tempHeight;
+  LONG width=0, tempHeight=0;
   int bitmap_type;
   BOOL core_header;
   void* colorPtr;