Revert "Reserve space for two GC values in copy_drawable()."

This reverts commit 08df24555c.

Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: Soeren Sandmann <sandmann@daimi.au.dk>

fb/fbpict.c

@@ -275,7 +275,7 @@ copy_drawable (DrawablePtr pDraw)
     PixmapPtr pPixmap;
     GCPtr pGC;
     int width, height;
-    ChangeGCVal gcv[2];
+    ChangeGCVal gcv[1];
     
     width = pDraw->width;
     height = pDraw->height;