Update patches to build with Xorg server 1.18

PR:		216989
Approved by:	meta+ports@vmeta.jp (maintainer), swills (mentor)
Differential Revision:	https://reviews.freebsd.org/D9710

net/tigervnc/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	tigervnc
 PORTVERSION=	1.7.1
+PORTREVISION=	1
 DISTVERSIONPREFIX=	v
 CATEGORIES=	net x11-servers
 
@@ -113,7 +114,7 @@ CONFIGURE_ARGS+=	\
 
 .include <bsd.port.pre.mk>
 
-TIGERVNC_XORG_PATCH_VER=	117
+TIGERVNC_XORG_PATCH_VER=	118
 
 # import from x11-server/xorg-server/Makefile
 .if ${SSL_DEFAULT} == base

net/tigervnc/files/patch-unix_xserver117.patch

@@ -1,11 +0,0 @@
---- unix/xserver117.patch.orig	2015-10-13 17:11:25.207390000 +0200
-+++ unix/xserver117.patch	2015-10-13 17:11:42.276049000 +0200
-@@ -66,7 +66,7 @@ diff -up xorg-server-1.17.1/mi/miinitext
-  #include "globals.h"
-  
- +#ifdef TIGERVNC
--+extern void vncExtensionInit(INITARGS);
-++extern void vncExtensionInit(void);
- +#endif
- +
-  /* The following is only a small first step towards run-time

net/tigervnc/files/patch-unix_xserver118.patch

@@ -0,0 +1,11 @@
+--- unix/xserver118.patch.orig  2017-01-18 12:39:28 UTC
++++ unix/xserver118.patch
+@@ -65,7 +65,7 @@ diff -ur xorg-server.orig/mi/miinitext.c
+ #include "globals.h"
+  
+ +#ifdef TIGERVNC
+-+extern void vncExtensionInit(INITARGS);
+++extern void vncExtensionInit(void);
+ +#endif
+ +
+  /* The following is only a small first step towards run-time