ethumb: fix resource leak introduced in file path sanitization rework

This extra snaitized path assign path does not make sense and leads to a leak
in the end. We already have sanitized_path and handle that correctly.

Fixes 62a0c41fd3

CID: 1366925

src/lib/ethumb/ethumb.c

@@ -1098,7 +1098,6 @@ ethumb_thumb_path_set(Ethumb *e, const char *path, const char *key)
    else
      {
         sanitized_path = eina_file_path_sanitize(path);
-        path = eina_file_path_sanitize(path);
         eina_stringshare_replace(&e->thumb_path, sanitized_path);
         eina_stringshare_replace(&e->thumb_key, key);
         free(sanitized_path);