Fix missing ngspice pkg-config file.

* Add make pkg-config to build dependencies.
* Make sure ngspice.pc file gets added to package.
* Bump package release version.

mingw-w64-ngspice/PKGBUILD

@@ -11,12 +11,12 @@ _realname=ngspice
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=32
-pkgrel=1
+pkgrel=2
 pkgdesc="Mixed-level/Mixed-signal circuit simulator based on Spice3f5, Cider1b1, and Xspice (mingw-w64)"
 url='https://ngspice.sourceforge.io/'
 license=('BSD')
 arch=('any')
-makedepends=("${MINGW_PACKAGE_PREFIX}-gcc")
+makedepends=("${MINGW_PACKAGE_PREFIX}-gcc" "${MINGW_PACKAGE_PREFIX}-pkg-config")
 conflicts=(${MINGW_PACKAGE_PREFIX}-${_realname}-git)
 replaces=(${MINGW_PACKAGE_PREFIX}-${_realname}-git)
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
@@ -61,6 +61,10 @@ package() {
   make install DESTDIR="${pkgdir}"
   install -D -m644 "${srcdir}/${_realname}-${pkgver}/COPYING" "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE"
 
+  # pkg-conf file has to be copied manually.  Generated pkg-config file is the same for
+  # static and shared builds.
+  install -D -m644 "${srcdir}/build-shared-${CARCH}/ngspice.pc" "${pkgdir}${MINGW_PREFIX}/lib/pkgconfig/ngspice.pc"
+
   # library files have to be copied manually
   cd "${srcdir}/build-shared-${CARCH}"
   install -D -m755 src/.libs/libngspice-0.dll "${pkgdir}${MINGW_PREFIX}/bin"