[maven-release-plugin] prepare release maven-gpg-plugin-1.0-alpha-4

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@578956 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index ff57d19..fa7b004 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>maven-gpg-plugin</artifactId>
   <packaging>maven-plugin</packaging>
-  <version>1.0-alpha-4-SNAPSHOT</version>
+  <version>1.0-alpha-4</version>
   <name>Maven GPG Plugin</name>
   <prerequisites>
     <maven>2.0.5</maven>
@@ -66,4 +66,10 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <scm>
+    <connection>scm:svn:https://svn.apache.org/repos/asf/maven/plugins/tags/maven-gpg-plugin-1.0-alpha-4</connection>
+    <developerConnection>scm:svn:https://svn.apache.org/repos/asf/maven/plugins/tags/maven-gpg-plugin-1.0-alpha-4</developerConnection>
+    <url>https://svn.apache.org/repos/asf/maven/plugins/tags/maven-gpg-plugin-1.0-alpha-4</url>
+  </scm>
 </project>