[btls] Include stdint.h header file in btls-time64.c

Fixes "error: unknown type name 'int64_t'" on Alpine/musl libc.

diff --git a/mono/btls/btls-time64.c b/mono/btls/btls-time64.c
index f01e8c0a2b3980584a0071616a35535ed35d0e6f..5c67546911beb6f1ecfd4f20ce048ed4c69ca3b1 100644 (file)
--- a/mono/btls/btls-time64.c
+++ b/mono/btls/btls-time64.c
@@ -31,6 +31,7 @@ THE SOFTWARE.
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <string.h>
 #include <time.h>
 #include <errno.h>