(make build reproducible)

- avoid project toolchain to gzip the manpages with timestamps: let makepkg do
  it reproducibly

PKGBUILD

@@ -4,7 +4,7 @@
 
 pkgname=ncurses
 pkgver=6.1
-pkgrel=3
+pkgrel=4
 pkgdesc='System V Release 4.0 curses emulation library'
 arch=(x86_64)
 url='http://invisible-island.net/ncurses/ncurses.html'
@@ -23,7 +23,8 @@ build() {
   ./configure --prefix=/usr --mandir=/usr/share/man \
     --with-pkg-config-libdir=/usr/lib/pkgconfig \
     --with-shared --with-normal --without-debug --without-ada \
-    --enable-widec --enable-pc-files --with-cxx-binding --with-cxx-shared
+    --enable-widec --enable-pc-files --with-cxx-binding --with-cxx-shared \
+    --with-manpage-format=normal
   make
 }