nodejs: Add missing npm.cmd to the package (#3793)

mingw-w64-nodejs/PKGBUILD

@@ -8,7 +8,7 @@ _realname=nodejs
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=8.11.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Evented I/O for V8 javascript (mingw-w64)"
 arch=('any')
 url="https://nodejs.org/"
@@ -150,6 +150,8 @@ package() {
   mv -v "${pkgdir}$MINGW_PREFIX/bin/node"{.exe,_exe}
   install -m755 "${srcdir}/node" "${pkgdir}${MINGW_PREFIX}/bin/node"
   mv -v "${pkgdir}$MINGW_PREFIX/bin/node"{_exe,.exe}
+
+  install -m755 "${srcdir}/${CARCH}/deps/npm/bin/npm.cmd" "${pkgdir}${MINGW_PREFIX}/bin/npm.cmd"
 }
 
 sha256sums=('40a6eb51ea37fafcf0cfb58786b15b99152bec672cccf861c14d1cca0ad4758a'