evas: Fix unlikely crash with image cache

This happened to me when running elm_suite manually, during
elm_shutdown. At this point, cache shouldn't be null, but better
be safe anyway.

diff --git a/src/lib/evas/cache/evas_cache_image.c b/src/lib/evas/cache/evas_cache_image.c
index 21edc94..a0c6a65 100644 (file)
--- a/src/lib/evas/cache/evas_cache_image.c
+++ b/src/lib/evas/cache/evas_cache_image.c
@@ -250,6 +250,12 @@ _evas_cache_image_entry_new(Evas_Cache_Image *cache,
 {
    Image_Entry  *ie;
 
+   if (!cache)
+     {
+        *error = EVAS_LOAD_ERROR_GENERIC;
+        return NULL;
+     }
+
    ie = cache->func.alloc();
    if (!ie)
      {