certtool: ensure that default_serial_int is 64-bits or more

diff --git a/src/certtool-cfg.c b/src/certtool-cfg.c
index 29191392f82623945fab42f7ad7243d45cd4d24c..2bad2e39e8f27e410c1693717d408c2e9377b97c 100644 (file)
--- a/src/certtool-cfg.c
+++ b/src/certtool-cfg.c
@@ -1100,7 +1100,7 @@ void get_rand_int_value(unsigned char* serial, size_t * size, int64_t cfg_val, c
                default_serial[0] = cfg_val >> 32;
                default_serial[1] = cfg_val;
        } else {
-               unsigned long default_serial_int;
+               uint64_t default_serial_int;
                char tmsg[256];
 
 #if SIZEOF_LONG < 8