minikconf: pull main program into a function

Avoid pulluting the global namespace.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

scripts/minikconf.py

@@ -666,7 +666,7 @@ def scan_token(self, ch):
 
         return None
 
-if __name__ == '__main__':
+def main() -> None:
     argv = sys.argv
     mode = defconfig
     if len(sys.argv) > 1:
@@ -712,3 +712,6 @@ def scan_token(self, ch):
     for fname in data.previously_included:
         print ('%s: %s' % (argv[1], fname), file=deps)
     deps.close()
+
+if __name__ == '__main__':
+    main()