main function should return int

diff --git a/mussagl.cxx b/mussagl.cxx
index 99cd927963017dfb1e03763efbcd453db7324b66..f0ddc88ccaa996d18aedef8f243649bccd9a03f2 100644 (file)
--- a/mussagl.cxx
+++ b/mussagl.cxx
@@ -15,4 +15,5 @@ int main(int argc, char **argv)
   PathWindow win(analysis);
   win.show();
   app.exec();
+  return 0;
 }