Use maven-scm 1.0-beta-4

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@484704 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7bba14a..6924de6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -243,6 +243,6 @@
     </dependency>
   </dependencies>
   <properties>
-    <maven-scm.version>1.0-SNAPSHOT</maven-scm.version>
+    <maven-scm.version>1.0-beta-4</maven-scm.version>
   </properties>
 </project>