libpipi: sometimes imlib_load_image() succeeds but imlib_image_get_data()

returns NULL. Working around this properly.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2934 92316355-f0b4-4df1-b90c-862c8a59935f

pipi/codec/imlib.c

@@ -38,6 +38,13 @@ pipi_image_t *pipi_load_imlib2(const char *name)
         return NULL;
 
     imlib_context_set_image(priv);
+
+    if(!imlib_image_get_data())
+    {
+        imlib_free_image();
+        return NULL;
+    }
+
     img = pipi_new(imlib_image_get_width(), imlib_image_get_height());
 
     img->p[PIPI_PIXELS_RGBA_C].pixels = imlib_image_get_data();