component/util-linux: build with slapos ncurses

We were using --without-ncurses but this does not prevent the build
from using system package when ncurses-dev system package is installed.

component/util-linux/buildout.cfg

 [buildout]
 extends =
   ../perl/buildout.cfg
+  ../ncurses/buildout.cfg
   ../libcap-ng/buildout.cfg
+  ../pkgconfig/buildout.cfg
   ../xz-utils/buildout.cfg
 
 [util-linux]
@@ -41,15 +43,15 @@ configure-options =
   --disable-wall
   --without-libiconv-prefix
   --without-libintl-prefix
-  --without-ncurses
   --without-slang
   --without-selinux
   --without-audit
   --with-cap-ng=${libcap-ng:location}
 environment =
-  PATH=${perl:location}/bin:${xz-utils:location}/bin:%(PATH)s
-  LDFLAGS=-L${libcap-ng:location}/lib -Wl,-rpath=${libcap-ng:location}/lib
-  CFLAGS=-I${libcap-ng:location}/include
+  PATH=${perl:location}/bin:${xz-utils:location}/bin:${pkgconfig:location}/bin:%(PATH)s
+  LDFLAGS=-L${libcap-ng:location}/lib -Wl,-rpath=${libcap-ng:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib
+  CFLAGS=-I${libcap-ng:location}/include -I${ncurses:location}/include
+  PKG_CONFIG_PATH=${ncurses:location}/lib/pkgconfig
 
 [libuuid]
 # libuuid is inside util-linux source code with only libuuid feature enabled.
@@ -60,7 +62,6 @@ configure-options =
   --enable-libuuid
   --without-libiconv-prefix
   --without-libintl-prefix
-  --without-ncurses
   --without-slang
   --without-pam
   --without-selinux
@@ -68,3 +69,5 @@ configure-options =
 
 environment =
   PATH=${perl:location}/bin:${xz-utils:location}/bin:%(PATH)s
+  LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib
+  CFLAGS=-I${ncurses:location}/include