Update to version 1.12

Changelog:
- Add NCDU_SHELL environment variable
- Add --confirm-quit flag
- Fix compilation due to missing sys/wait.h include

sysutils/ncdu/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	ncdu
-PORTVERSION=	1.11
+PORTVERSION=	1.12
 CATEGORIES=	sysutils
 MASTER_SITES=	http://dev.yorhel.nl/download/
 

sysutils/ncdu/distinfo

@@ -1,2 +1,3 @@
-SHA256 (ncdu-1.11.tar.gz) = d0aea772e47463c281007f279a9041252155a2b2349b18adb9055075e141bb7b
-SIZE (ncdu-1.11.tar.gz) = 134093
+TIMESTAMP = 1472124040
+SHA256 (ncdu-1.12.tar.gz) = 820e4e4747a2a2ec7a2e9f06d2f5a353516362c22496a10a9834f871b877499a
+SIZE (ncdu-1.12.tar.gz) = 140596

sysutils/ncdu/files/patch-src_shell.c

@@ -1,10 +0,0 @@
---- src/shell.c.orig	2015-05-07 14:48:25 UTC
-+++ src/shell.c
-@@ -29,6 +29,7 @@
- #include "dirlist.h"
- #include "util.h"
- 
-+#include <sys/wait.h>
- #include <ncurses.h>
- #include <stdlib.h>
- #include <unistd.h>