[MASSEMBLY-841] Maven Assembly Plugin throws IllegalStateException when looking for project modules

This closes #101



git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1774358 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugins/assembly/utils/ProjectUtils.java b/src/main/java/org/apache/maven/plugins/assembly/utils/ProjectUtils.java
index 242fc50..269b779 100644
--- a/src/main/java/org/apache/maven/plugins/assembly/utils/ProjectUtils.java
+++ b/src/main/java/org/apache/maven/plugins/assembly/utils/ProjectUtils.java
@@ -130,6 +130,9 @@
                         // increment the change counter, to show that we
                         // verified a new module on this pass.
                         changed++;
+                        
+                        // We need to move on to the next candidate since this one was just verified
+                        break;
                     }
                 }
             }