git notes merge: Handle real, non-conflicting notes merges

diff --git a/date.c b/date.c
index 68cdcaa3f6268855539fcae02c8e87b965204b4d..3c981f7eb5ebaed1ba621f3d4cd960f14145b97a 100644 (file)
--- a/date.c
+++ b/date.c
@@ -635,7 +635,7 @@ int parse_date_toffset(const char *date, unsigned long *timestamp, int *offset)
        /* mktime uses local timezone */
        *timestamp = tm_to_time_t(&tm);
        if (*offset == -1)
-               *offset = (*timestamp - mktime(&tm)) / 60;
+               *offset = ((time_t)*timestamp - mktime(&tm)) / 60;
 
        if (*timestamp == -1)
                return -1;