Fix compiler warning in image.c

* src/image.c (webp_load): Initialize `mask_img' to NULL.

diff --git a/src/image.c b/src/image.c
index 734ccdac311cfcc112a288ee32e15f7239cf22dd..f2597f529d1d06f284716a9cb72bf77d3816dc79 100644 (file)
--- a/src/image.c
+++ b/src/image.c
@@ -9059,7 +9059,7 @@ webp_load (struct frame *f, struct image *img)
     }
 
   /* Create the x image and pixmap.  */
-  Emacs_Pix_Container ximg, mask_img;
+  Emacs_Pix_Container ximg, mask_img = NULL;
   if (!image_create_x_image_and_pixmap (f, img, width, height, 0, &ximg, false))
     goto webp_error2;