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-rw-r--r--lib/mktime.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/mktime.c b/lib/mktime.c
index ce3de5839..a017a51c8 100644
--- a/lib/mktime.c
+++ b/lib/mktime.c
@@ -77,7 +77,7 @@ verify (base_year_is_a_multiple_of_100, TM_YEAR_BASE % 100 == 0);
/* Return 1 if YEAR + TM_YEAR_BASE is a leap year. */
static inline int
-leapyear (int year)
+leapyear (long int year)
{
/* Don't add YEAR to TM_YEAR_BASE, as that might overflow.
Also, work even if YEAR is negative. */