File ytnef.patch of Package ytnef

--- a/ytnefprint/main.c
+++ b/ytnefprint/main.c
@@ -84,6 +84,7 @@ int main(int argc, char **argv) {
     PrintTNEF(TNEF);
     TNEFFree(&TNEF);
   }
+  return 0;
 }
 
 void PrintTNEF(TNEFStruct TNEF) {