explicitly pull in limits.h and signal.h

net/adsuck/patches/patch-adsuck_c

@@ -0,0 +1,12 @@
+$OpenBSD: patch-adsuck_c,v 1.3 2015/01/16 22:09:30 naddy Exp $
+--- adsuck.c.orig	Tue Dec 11 17:37:04 2012
++++ adsuck.c	Fri Jan 16 22:56:31 2015
+@@ -14,6 +14,8 @@
+  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+  */
+ 
++#include <limits.h>
++#include <signal.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>

net/adsuck/patches/patch-resolv_c

@@ -0,0 +1,11 @@
+$OpenBSD: patch-resolv_c,v 1.1 2015/01/16 22:09:30 naddy Exp $
+--- resolv.c.orig	Tue Dec 11 17:37:05 2012
++++ resolv.c	Fri Jan 16 23:04:39 2015
+@@ -15,6 +15,7 @@
+  */
+ 
+ #include <sys/types.h>
++#include <limits.h>
+ #include <unistd.h>
+ 
+ #if defined(__linux__)