Attach the maven source jar

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1609153 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/framework/pom.xml b/framework/pom.xml
index c4b7d43..ddee503 100644
--- a/framework/pom.xml
+++ b/framework/pom.xml
@@ -89,6 +89,18 @@
               </excludes>
             </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-source-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>attach-sources</id>
+            <goals>
+              <goal>jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
     <resources>
       <resource>