Fixed brew link step for pkgconf

Author: filipecosta90

.github/workflows/ci.yml

@@ -110,6 +110,8 @@ jobs:
     - uses: actions/checkout@v1
     - name: Install dependencies
       run:  |
+        brew unlink [email protected] || true
+        brew unlink pkg-config || true
         brew install autoconf automake libtool libevent pkg-config openssl@${{ matrix.openssl }}
         # Handle OpenSSL 3.0 keg-only setup
         if [ "${{ matrix.openssl }}" == "3.0" ]; then
@@ -125,7 +127,6 @@ jobs:
         if ! brew list --versions pkgconf > /dev/null; then
           brew install pkgconf
         fi
-        brew unlink [email protected] || true
         brew link --overwrite pkgconf
     - name: Build
       run: autoreconf -ivf && PKG_CONFIG_PATH=`brew --prefix openssl@${{ matrix.openssl }}`/lib/pkgconfig ./configure && make
@@ -139,11 +140,12 @@ jobs:
     - uses: actions/checkout@v1
     - name: Install dependencies
       run:  |
+        brew unlink [email protected] || true
+        brew unlink pkg-config || true
         brew install autoconf automake libtool libevent pkg-config
         if ! brew list --versions pkgconf > /dev/null; then
           brew install pkgconf
         fi
-        brew unlink [email protected] || true
         brew link --overwrite pkgconf
     - name: Install openssl v1.0.2
       run: brew install rbenv/tap/[email protected]