Frivolity reduction ;)

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10598 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/prism/PrismCL.java

@@ -997,7 +997,7 @@ public class PrismCL implements PrismModelListener
 								@Override
 								public void run()
 								{
-									mainLog.println("\nError: Timeout (after "+timeout+" seconds)!");
+									mainLog.println("\nError: Timeout (after " + timeout + " seconds).");
 									mainLog.flush();
 									System.exit(1);
 								}