Fix s3proxy --version

Regression from a65221091f.
2015-03-21 23:11:03 -07:00 · 2015-03-21 23:11:03 -07:00 · e6012a3da9
commit e6012a3da9
--- a/pom.xml
+++ b/pom.xml
@ -129,6 +129,7 @@
          <archive>
            <manifest>
              <mainClass>org.gaul.s3proxy.Main</mainClass>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
            </manifest>
          </archive>
        </configuration>