Bug #12414: Create full-fledged pixmaps in fb24_32ReformatTile().

... instead of creating pixmaps that only fb knows about, which will
have no devPrivates for any other subsystem and thus cause havoc if
(when) they leak out.
(cherry picked from commit b55fbca4f0)

fb/fb24_32.c

@@ -1,5 +1,4 @@
 /*
- *
  * Copyright © 2000 SuSE, Inc.
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
@@ -544,11 +543,10 @@ fb24_32ReformatTile(PixmapPtr pOldTile, int bitsPerPixel)
     int		oldXoff, oldYoff;
     int		newXoff, newYoff;
 
-    pNewTile = fbCreatePixmapBpp (pScreen,
-				  pOldTile->drawable.width,
-				  pOldTile->drawable.height,
-				  pOldTile->drawable.depth,
-				  bitsPerPixel, 0);
+    pNewTile = pScreen->CreatePixmap(pScreen, pOldTile->drawable.width,
+				     pOldTile->drawable.height,
+				     pOldTile->drawable.depth,
+				     pOldTile->usage_hint);
     if (!pNewTile)
 	return 0;
     fbGetDrawable (&pOldTile->drawable,