Fix version for 4.2.beta1

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@8213 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/prism/Version.java

@@ -5,5 +5,5 @@ public class Version
 	/** PRISM version (e.g. "4.0.3"). Just a single string (will be extracted by scripts). */
 	public static String versionString = "4.2";
 	/** Optional PRISM version suffix (e.g. "dev", "beta"). Just a single string (will be extracted by scripts). */
-	public static String versionSuffixString = "";
+	public static String versionSuffixString = "beta1";
 }