Fix misdisplay of interlaced GIFs with libgif5.

* image.c (gif_load): libgif5 deinterlaces for us, so don't do
it again.

Fixes: debbugs:16372

src/ChangeLog

+2014-01-07  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Fix misdisplay of interlaced GIFs with libgif5 (Bug#16372).
+	* image.c (gif_load): libgif5 deinterlaces for us, so don't do
+	it again.
+
 2014-01-06  Eli Zaretskii  <eliz@gnu.org>
 
 	* xdisp.c (redisplay_window): Don't skip window redisplay if the

src/image.c

@@ -7586,7 +7586,7 @@ gif_load (struct frame *f, struct image *img)
 	  }
 
       /* Apply the pixel values.  */
-      if (gif->SavedImages[j].ImageDesc.Interlace)
+      if (GIFLIB_MAJOR < 5 && gif->SavedImages[j].ImageDesc.Interlace)
 	{
 	  int row, pass;