master eebb7c8: Fix compilation of image.c on non-Cairo systems

[Lars Ingebrigtsen]

branch: master
commit eebb7c8a699614934e0b054536d9c6f102b59e34
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Fix compilation of image.c on non-Cairo systems
    
    * src/image.c (image_frame_cache_size): pixmap->width etc is only
    defined on Cairo.  Return 0 for now on other systems.
---
 src/image.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/image.c b/src/image.c
index 38887ce..8607b33 100644
--- a/src/image.c
+++ b/src/image.c
@@ -1805,9 +1805,11 @@ image_frame_cache_size (struct frame *f)
     {
       struct image *img = c->images[i];
 
+#ifdef USE_CAIRO
       if (img)
        total += img->pixmap->width * img->pixmap->height  *
          img->pixmap->bits_per_pixel / 8;
+#endif
     }
   return total;
 }