pacman: fix a path in libalpm.pc

It hardcodes the gcc path which isn't the same any more

pacman/PKGBUILD

@@ -4,7 +4,7 @@
 
 pkgname=pacman
 pkgver=6.0.1
-pkgrel=7
+pkgrel=8
 pkgdesc="A library-based package manager with dependency support (MSYS2 port)"
 arch=('i686' 'x86_64')
 url="https://www.archlinux.org/pacman/"
@@ -165,6 +165,9 @@ package() {
   install -dm755 ${pkgdir}/etc
   install -m644 ${srcdir}/pacman.conf ${pkgdir}/etc/pacman.conf
 
+  # Fixup .pc file
+  sed -i "s|/usr/.*libintl.a|-lintl|g" ${pkgdir}/usr/lib/pkgconfig/libalpm.pc
+
   case "${CARCH}" in
   i686)
     mycarch="i686"