github: Explicitly install pkg-config in macOS build

Apparently not installed anymore in the latest build image.  If it's
missing, we see errors like these:

  configure.ac:38: error: possibly undefined macro: AC_DEFINE

diff --git a/scripts/test.sh b/scripts/test.sh
index 10d0493558b086a95dcc93118c105c24f5e065be..5e15f0af842dd93fcfcb5f907a2cfdc969fd1df4 100755 (executable)
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -333,7 +333,7 @@ macos)
                        --enable-socket-default --enable-sshkey --enable-stroke
                        --enable-swanctl --enable-unity --enable-updown
                        --enable-x509 --enable-xauth-generic"
-       DEPS="automake autoconf libtool bison gettext openssl@1.1 curl"
+       DEPS="automake autoconf libtool bison gettext pkg-config openssl@1.1 curl"
        BREW_PREFIX=$(brew --prefix)
        export PATH=$BREW_PREFIX/opt/bison/bin:$PATH
        export ACLOCAL_PATH=$BREW_PREFIX/opt/gettext/share/aclocal:$ACLOCAL_PATH