fixup! Ticket #4170: implement CI via GitHub Actions

Signed-off-by: Yury V. Zaytsev <[email protected]>

.github/workflows/ci-solaris.yml

@@ -26,13 +26,16 @@ jobs:
             chown test -R $(pwd)
 
             su - test -c ' \
+              \
+              setenv PKG_CONFIG_PATH /usr/lib/64/pkgconfig ; \
+              \
               ./configure \
                 --prefix="$(pwd)/install-prefix" \
                 --with-screen=ncurses \
                 --enable-mclib \
                 --enable-aspell ; \
               \
-              make -j$(nproc) ; \
+              make -j $(psrinfo -p) ; \
               make check ; \
               make install ; \
             '