meson: depend on pkgconf

While pkgconf is strictly not required to build things, it usually is
and might lead to confusing when missing, or worse, when the msys
pkgconf is installed and results in hard to understand errors.

mingw-w64-meson/PKGBUILD

@@ -4,7 +4,7 @@ _realname=meson
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=1.3.0
-pkgrel=1
+pkgrel=2
 pkgdesc="High-productivity build system (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -12,7 +12,8 @@ url="https://mesonbuild.com/"
 license=("spdx:Apache-2.0")
 options=('!strip')
 depends=("${MINGW_PACKAGE_PREFIX}-python"
-         "${MINGW_PACKAGE_PREFIX}-ninja")
+         "${MINGW_PACKAGE_PREFIX}-ninja"
+         "${MINGW_PACKAGE_PREFIX}-pkgconf")
 makedepends=(
   "${MINGW_PACKAGE_PREFIX}-python-setuptools"
   "${MINGW_PACKAGE_PREFIX}-python-wheel"