edje: unset efreet cache update flag to prevent dbus connections

efreet_init began to be called with the addition of translatable strings,
but allowing dbus connections in edje (and thus edje-derived tools) will
result in errors when edje_init is called without a dbus connection available

src/lib/edje/edje_main.c

@@ -1,5 +1,6 @@
 #include "edje_private.h"
 
+extern int efreet_cache_update;
 static Edje_Version _version = { VMAJ, VMIN, VMIC, VREV };
 EAPI Edje_Version * edje_version = &_version;
 
@@ -69,6 +70,7 @@ edje_init(void)
         goto shutdown_eet;
      }
 
+   efreet_cache_update = 0;
    if (!efreet_init())
      {
         ERR("Efreet init failed");