Fixing pom.xml of spring-boot module (fails on clean machine with fresh maven)

modules/activiti-spring-boot/pom.xml

@@ -6,6 +6,7 @@
     <parent>
         <groupId>org.activiti</groupId>
         <artifactId>activiti-root</artifactId>
+        <relativePath>../..</relativePath>
         <version>5.16.4-SNAPSHOT</version>
     </parent>
 
@@ -185,4 +186,4 @@
 </plugin>
         </plugins>
         </pluginManagement>
-        </build> -->
+        </build> -->
\ No newline at end of file