[PATCH] rtadvd: fix compile warning on amd64, etc

[UMEZAWA Takeshi]

Hello,

If sizeof(void *) > sizeof(int), a warning is output.

No functional change by this patch.

------------------------------------------------------------------------
UMEZAWA Takeshi (FAMILY Given) <umez...@iij.ad.jp>
Internet Initiative Japan Inc.


diff --git a/usr.sbin/rtadvd/config.c b/usr.sbin/rtadvd/config.c
index 53719ec..d1039ad 100644
--- a/usr.sbin/rtadvd/config.c
+++ b/usr.sbin/rtadvd/config.c
@@ -55,6 +55,7 @@
 #include <search.h>
 #include <unistd.h>
 #include <ifaddrs.h>
+#include <stdint.h>
 
 #include "rtadvd.h"
 #include "advcap.h"
@@ -880,7 +881,7 @@ make_packet(struct rainfo *rainfo)
                }
 
                /* zero out the end of the current option */
-               while ((int)buf % 8 != 0)
+               while (((uintptr_t)buf) % 8 != 0)
                        *buf++ = '\0';
        }