Fixed one dead loop issue in the autogenlib.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2240 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Java/Source/GenBuild/org/tianocore/build/autogen/AutogenLibOrder.java

@@ -174,6 +174,10 @@ public class AutogenLibOrder {
                     continue;
                 }
                 HashSet<ModuleIdentification> consumedBy = libInstanceConsumedBy.get(m);
+                if (consumedBy.size() == 0) {
+                  continue;
+                }
+
                 consumedBy.remove(n);
                 if (consumedBy.size() == 0) {
                     noConsumerList.addLast(m);
@@ -200,6 +204,7 @@ public class AutogenLibOrder {
                         if (consumer.hasConstructor()) {
                             continue;
                         }
+
                         //
                         // if there's no constructor in the library instance's consumer,
                         // remove it from the consumer list
@@ -216,6 +221,10 @@ public class AutogenLibOrder {
                         break;
                     }
                 }
+
+                if (noConsumerList.size() == 0 && !circularlyConsumed) {
+                  break;
+                }
             }
         }