Remove 'sh' dependency to avoid dep cycles in pacman:

warning: dependency cycle detected:
    warning: ncurses will be installed before its bash dependency
    warning: dependency cycle detected:
    warning: ncurses will be installed before its readline dependency

PKGBUILD

@@ -4,12 +4,12 @@
 
 pkgname=ncurses
 pkgver=6.0
-pkgrel=2
+pkgrel=3
 pkgdesc='System V Release 4.0 curses emulation library'
 arch=('i686' 'x86_64')
 url='http://invisible-island.net/ncurses/ncurses.html'
 license=('MIT')
-depends=('glibc' 'gcc-libs' 'sh')
+depends=('glibc' 'gcc-libs')
 provides=('libncurses++w.so' 'libformw.so' 'libmenuw.so' 'libpanelw.so'
           'libncursesw.so')
 source=(ftp://invisible-island.net/ncurses/ncurses-${pkgver/_/-}.tar.gz{,.asc})