Merge branch 'ds/fetch-config-parse-microfix'

A config parser callback function fell through instead of returning
after recognising and processing a variable, wasting cycles, which
has been corrected.

* ds/fetch-config-parse-microfix:
  fetch: return when parsing submodule.recurse

Author: gitster

builtin/fetch.c

@@ -138,6 +138,7 @@ static int git_fetch_config(const char *k, const char *v,
 		int r = git_config_bool(k, v) ?
 			RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
 		fetch_config->recurse_submodules = r;
+		return 0;
 	}
 
 	if (!strcmp(k, "submodule.fetchjobs")) {