Redefine Actions workflow (#108)

Author: magicant

.github/workflows/c.yml

@@ -16,9 +16,7 @@ jobs:
         sudo apt-get install asciidoc gettext libncurses-dev
     - name: configure
       run: ./configure
-    - name: make
-      run: make
-    - name: make check
-      run: make check
     - name: make distcheck
-      run: make distcheck
+      run: make -j$(nproc) distcheck
+    - name: make check as root
+      run: sudo make -j$(nproc) check