mergetool--lib: improve show_tool_help() output

diff --git a/date.c b/date.c
index 1fdcf7c6eae0386552c5d7e069f5242fca3c2e0e..57331ed406e2391e0a2bf327fbb86d3b62012324 100644 (file)
--- a/date.c
+++ b/date.c
@@ -624,7 +624,7 @@ static int match_object_header_date(const char *date, unsigned long *timestamp,
        unsigned long stamp;
        int ofs;
 
-       if (*date < '0' || '9' <= *date)
+       if (*date < '0' || '9' < *date)
                return -1;
        stamp = strtoul(date, &end, 10);
        if (*end != ' ' || stamp == ULONG_MAX || (end[1] != '+' && end[1] != '-'))