res_sorcery_realtime.c: Fix unqualified fetch warning.

The allow_unqualified_fetch option for the sorcery realtime backend
blocked actually fetching all rows when the option is set to warn.

* Made issue a warning and actually do the request when
allow_unqualified_fetch=warn is set.

Change-Id: I74456c80a03a62dce66fc3dc3cb0cf2351ac4312

res/res_sorcery_realtime.c

@@ -208,8 +208,7 @@ static void sorcery_realtime_retrieve_multiple(const struct ast_sorcery *sorcery
 			return;
 		}
 		if (config->fetch == UNQUALIFIED_FETCH_WARN) {
-			ast_log(LOG_WARNING, "Unqualified fetch attempted on %s\n", config->family);
+			ast_log(LOG_WARNING, "Unqualified fetch requested on %s\n", config->family);
-			return;
 		}
 
 		/* If no fields have been specified we want all rows, so trick realtime into doing it */