[NETFILTER]: x_tables: switch hotdrop to bool

Switch the "hotdrop" variables to boolean

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index e180325..8a6d58a 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -38,7 +38,7 @@
       const void *matchinfo,
       int offset,
       unsigned int protoff,
-      int *hotdrop)
+      bool *hotdrop)
 {
 	const struct xt_connmark_info *info = matchinfo;
 	struct nf_conn *ct;