tests: accept underscore in arbitrary third-party version strings

Fixes #2626

diff --git a/test_utils/test_main.c b/test_utils/test_main.c
index f4456256c1a907656653e6321487277b53b5abe0..98f77b671a8876af5a229f2084a2e1ca31f988ae 100644 (file)
--- a/test_utils/test_main.c
+++ b/test_utils/test_main.c
@@ -2456,7 +2456,7 @@ void assertVersion(const char *prog, const char *base)
 
        /* Skip arbitrary third-party version numbers. */
        while (s > 0 && (*q == ' ' || *q == '-' || *q == '/' || *q == '.' ||
-           isalnum((unsigned char)*q))) {
+           *q == '_' || isalnum((unsigned char)*q))) {
                ++q;
                --s;
        }