Make reflog query '@{1219188291}' act as '@{2008.8.19.16:24:51.-0700}'

diff --git a/builtin-log.c b/builtin-log.c
index 3a7957483031758af5c05afc55a499e617557f1c..9204ffd7607dd6b72a2ef45e7b18921e822070af 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -470,7 +470,7 @@ static int extra_cc_alloc;
 static void add_header(const char *value)
 {
        int len = strlen(value);
-       while (value[len - 1] == '\n')
+       while (len && value[len - 1] == '\n')
                len--;
        if (!strncasecmp(value, "to: ", 4)) {
                ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);