Fix ncurses pkg-config generator script

It picks up the linker hardening flags and stuffs them into the
Libs section of the pkg-config file. Some packages, such as
procps-ng end up trying to apply them in a semi parsed form and
choke when trying to link against "noexecstack".

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>

pkg/ncurses/0001.patch

@@ -0,0 +1,13 @@
+diff --git a/misc/gen-pkgconfig.in b/misc/gen-pkgconfig.in
+index 8f00b82..2849b4d 100644
+--- a/misc/gen-pkgconfig.in
++++ b/misc/gen-pkgconfig.in
+@@ -190,7 +190,7 @@ Description: $desc
+ Version: \${version}
+ ${USEURL}URL: https://invisible-island.net/ncurses
+ Requires.private: $reqs
+-Libs: $lib_flags $LIBS
++Libs: $LIBS
+ Libs.private: @LIBS@ $main_libs
+ Cflags: $CFLAGS
+ EOF

pkg/ncurses/build

@@ -7,7 +7,7 @@ DEPENDS="toolchain toolchain"
 SUBPKG="ncurses-dev ncurses++-dev ncurses"
 
 prepare() {
-	return
+	apply_patches
 }
 
 build() {