wmmenugen: Fix memory leak when parsing names for menus in XDG format

As reported by Coverity (CID #50146), if the function getLocalizedStringValue
returns without matching the entry, the storage for the entry's locale was
leaked.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

util/wmmenugen_parse_xdg.c

@@ -448,11 +448,11 @@ static void getLocalizedStringValue(char **target, const char *line, int *match_
 	}
 
 	if (compare_matchlevel(match_level, locale)) {
-		wfree(locale);
 		*target = wstrdup(p + kstart);
-		return;
 	}
 
+	wfree(locale);
+
 	return;
 }