From fbc841625697b8999cfcaeef20b845a23f99c520 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Tue, 4 Sep 2018 15:45:19 +0200
Subject: [PATCH] Avoid ctype warnings.

---
 test_utils/test_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test_utils/test_main.c b/test_utils/test_main.c
index 20ce55182..2ff942c84 100644
--- a/test_utils/test_main.c
+++ b/test_utils/test_main.c
@@ -2166,7 +2166,7 @@ void assertVersion(const char *prog, const char *base)
 
 	/* Skip arbitrary third-party version numbers. */
 	while (s > 0 && (*q == ' ' || *q == '-' || *q == '/' || *q == '.' ||
-	    isalnum(*q))) {
+	    isalnum((unsigned char)*q))) {
 		++q;
 		--s;
 	}
-- 
2.47.2