sal_uIntPtr->unsigned in X11SalBitmap

Change-Id: I4ed777711c1302b3aaa73474b6182214c61b09f2
Reviewed-on: https://gerrit.libreoffice.org/68340
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

vcl/inc/unx/salbmp.h

@@ -62,7 +62,7 @@ private:
 public:
 
     static ImplSalBitmapCache*  mpCache;
-    static sal_uIntPtr          mnCacheInstCount;
+    static unsigned int         mnCacheInstCount;
 
     static void                 ImplCreateCache();
     static void                 ImplDestroyCache();

vcl/unx/generic/gdi/salbmp.cxx

@@ -64,7 +64,7 @@ std::shared_ptr<SalBitmap> X11SalInstance::CreateSalBitmap()
 }
 
 ImplSalBitmapCache* X11SalBitmap::mpCache = nullptr;
-sal_uLong           X11SalBitmap::mnCacheInstCount = 0;
+unsigned int        X11SalBitmap::mnCacheInstCount = 0;
 
 X11SalBitmap::X11SalBitmap()
     : mbGrey( false )