Wrap block with finally to make sure System.exit is called and with correct exitCode

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271635 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/myrmidon/frontends/CLIMain.java

@@ -112,8 +112,8 @@ public class CLIMain
      */
     public static void main( final String[] args )
     {
+        int exitCode = 0;
         final CLIMain main = new CLIMain();
-
         try
         {
             main.execute( args );
@@ -123,10 +123,12 @@ public class CLIMain
             final String message =
                 REZ.getString( "error-message", ExceptionUtil.printStackTrace( throwable ) );
             System.err.println( message );
-            System.exit( -1 );
+            exitCode = -1;
+        }
+        finally
+        {
+            System.exit( exitCode );
         }
-
-        System.exit( 0 );
     }
 
     /**