ncurses: update to latest, fix gcc5 compile issue

package/ncurses/Makefile

@@ -4,9 +4,9 @@
 include ${ADK_TOPDIR}/rules.mk
 
 PKG_NAME:=		ncurses
-PKG_VERSION:=		5.9
-PKG_RELEASE:=		5
-PKG_HASH:=		9046298fb440324c9d4135ecea7879ffed8546dd1b58e59430ea07a4633f563b
+PKG_VERSION:=		6.0
+PKG_RELEASE:=		1
+PKG_HASH:=		f551c24b30ce8bfb6e96d9f59b42fbea30fa3a6123384172f9e7284bcf647260
 PKG_DESCR:=		terminal handling library
 PKG_SECTION:=		libs/misc
 PKG_BUILDDEP:=		ncurses-host

package/ncurses/patches/patch-ncurses_base_MKlib_gen_sh

@@ -0,0 +1,11 @@
+--- ncurses-6.0.orig/ncurses/base/MKlib_gen.sh	2015-08-07 02:48:24.000000000 +0200
++++ ncurses-6.0/ncurses/base/MKlib_gen.sh	2015-10-31 19:14:18.000000000 +0100
+@@ -62,7 +62,7 @@ if test "${LC_MESSAGES+set}" = set; then
+ if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
+ if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
+ 
+-preprocessor="$1 -DNCURSES_INTERNALS -I../include"
++preprocessor="$1 -P -DNCURSES_INTERNALS -I../include"
+ AWK="$2"
+ USE="$3"
+