Fix formatting of pom.xml

Change-Id: I508def09cb2d4e5bd27b412f4ad5d43984388749
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/pom.xml

@@ -141,6 +141,7 @@
           </archive>
         </configuration>
       </plugin>
+
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
@@ -157,6 +158,7 @@
           </execution>
         </executions>
       </plugin>
+
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>