x11/libSM: Update to 1.2.3

Update libSM to 1.2.3.
Rename the patch to fit FreeBSD standard naming.

Changelog:
https://lists.x.org/archives/xorg-announce/2018-October/002922.html

PR:		232798
Submitted by:	pete@nomadlogic.org

x11/libSM/Makefile

@@ -2,8 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	libSM
-PORTVERSION=	1.2.2
-PORTREVISION=	5
+PORTVERSION=	1.2.3
 PORTEPOCH=	1
 CATEGORIES=	x11
 

x11/libSM/distinfo

@@ -1,2 +1,3 @@
-SHA256 (xorg/lib/libSM-1.2.2.tar.bz2) = 0baca8c9f5d934450a70896c4ad38d06475521255ca63b717a6510fdb6e287bd
-SIZE (xorg/lib/libSM-1.2.2.tar.bz2) = 348908
+TIMESTAMP = 1540742700
+SHA256 (xorg/lib/libSM-1.2.3.tar.bz2) = 2d264499dcb05f56438dee12a1b4b71d76736ce7ba7aa6efbf15ebb113769cbb
+SIZE (xorg/lib/libSM-1.2.3.tar.bz2) = 362595

x11/libSM/files/patch-sm_genid.c

@@ -1,17 +0,0 @@
---- src/sm_genid.c.orig	2010-06-04 20:15:04.000000000 +0200
-+++ src/sm_genid.c	2011-08-06 20:15:47.000000000 +0200
-@@ -111,11 +111,13 @@ SmsGenerateClientID(SmsConn smsConn)
- {
- #if defined(HAVE_UUID_CREATE)
-     char *id;
--    char **temp;
-+    char *temp;
-     uuid_t uuid;
-     uint32_t status;
- 
-     uuid_create(&uuid, &status);
-+    if (status != uuid_s_ok)
-+        return NULL;
- 
-     uuid_to_string(&uuid, &temp, &status);
- 

x11/libSM/files/patch-src_sm__genid.c

@@ -0,0 +1,11 @@
+--- src/sm_genid.c.orig	2018-10-10 15:05:03 UTC
++++ src/sm_genid.c
+@@ -114,6 +114,8 @@ SmsGenerateClientID(SmsConn smsConn)
+     size_t len;
+ 
+     uuid_create(&uuid, &status);
++    if (status != uuid_s_ok)
++        return NULL;
+ 
+     uuid_to_string(&uuid, &temp, &status);
+