ncdu: update to 1.11

- Add patch to get WEXITSTATUS and WIFEXITED defined
    The issue is fixed in upstream's development repo, so the patch won't be
    needed with ncdu's next release.
- Depend on more commonly used libncurses instead of libncursesw
- Enable parallel build
- Update copyright

Signed-off-by: Charles Lehner <cel@celehner.com>

utils/ncdu/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014 OpenWrt.org
+# Copyright (C) 2014-2016 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,14 +8,15 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ncdu
-PKG_VERSION:=1.10
+PKG_VERSION:=1.11
 PKG_RELEASE=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://dev.yorhel.nl/download
-PKG_MD5SUM:=7535decc8d54eca811493e82d4bfab2d
+PKG_MD5SUM:=9e44240a5356b029f05f0e70a63c4d12
 
 PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
 
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=COPYING
@@ -26,7 +27,7 @@ define Package/ncdu
   SUBMENU:=Filesystem
   SECTION:=utils
   CATEGORY:=Utilities
-  DEPENDS:=+libncursesw
+  DEPENDS:=+libncurses
   TITLE:=ncurses disk usage viewer
   MAINTAINER:=Charles Lehner <celehner1@gmail.com>
   URL:=http://dev.yorhel.nl/ncdu
@@ -38,6 +39,8 @@ define Package/ncdu/description
   directories and show percentages of disk usage with ncurses library.
 endef
 
+CONFIGURE_ARGS += --with-ncurses
+
 define Package/ncdu/install
 	$(INSTALL_DIR) $(1)/usr/bin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/ncdu $(1)/usr/bin/

utils/ncdu/patches/010-add_sys_wait.patch

@@ -0,0 +1,10 @@
+--- a/src/shell.c
++++ b/src/shell.c
+@@ -33,6 +33,7 @@
+ #include <stdlib.h>
+ #include <unistd.h>
++#include <sys/wait.h>
+ 
+ void shell_draw() {
+   char *full_path;
+   int res;