Fixed issue #28

Makefile

@@ -1,4 +1,4 @@
-VERSION = git-20111105
+VERSION = git-20111111
 
 CC      = gcc
 CFLAGS  = -ansi -Wall -pedantic -O2

image.c

@@ -311,18 +311,16 @@ bool img_load(img_t *img, const fileinfo_t *file) {
 	imlib_image_set_changes_on_disk();
 	imlib_context_set_anti_alias(img->aa);
 
-	fmt = imlib_image_format();
-	/* avoid unused-but-set-variable warning */
-	(void) fmt;
-
+	if ((fmt = imlib_image_format()) != NULL) {
 #if EXIF_SUPPORT
-	if (STREQ(fmt, "jpeg"))
-		exif_auto_orientate(file);
+		if (STREQ(fmt, "jpeg"))
+			exif_auto_orientate(file);
 #endif
 #if GIF_SUPPORT
-	if (STREQ(fmt, "gif"))
-		img_load_gif(img, file);
+		if (STREQ(fmt, "gif"))
+			img_load_gif(img, file);
 #endif
+	}
 
 	img->w = imlib_image_get_width();
 	img->h = imlib_image_get_height();