Merge branch 'rs/maint-config-use-labs' into maint

* rs/maint-config-use-labs:
  use labs() for variables of type long instead of abs()

Author: gitster

config.c

@@ -506,9 +506,9 @@ static int git_parse_signed(const char *value, intmax_t *ret, intmax_t max)
 			errno = EINVAL;
 			return 0;
 		}
-		uval = abs(val);
+		uval = labs(val);
 		uval *= factor;
-		if (uval > max || abs(val) > uval) {
+		if (uval > max || labs(val) > uval) {
 			errno = ERANGE;
 			return 0;
 		}