Set back to alpha-3 version number


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@513998 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 6973dd4..8dd157a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>maven-gpg-plugin</artifactId>
   <packaging>maven-plugin</packaging>
-  <version>1.0-SNAPSHOT</version>
+  <version>1.0-alpha-3-SNAPSHOT</version>
   <name>maven-gpg-plugin Maven Mojo</name>
   <prerequisites>
     <maven>2.0</maven>