Fix boneheaded mistake in the new interval filtering code I added on Sunday.

Sorry everyone.


git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@4521 348d0f76-0448-11de-a6fe-93d51630548a

java/src/org/broadinstitute/sting/gatk/datasources/simpleDataSources/SAMDataSource.java

@@ -823,9 +823,12 @@ public class SAMDataSource implements SimpleDataSource {
                     }
                 }
 
+                // No more reads available.  Stop the search.
+                if(!iterator.hasNext())
+                    break;
+
                 // No reasonable read found; advance the iterator.
-                if(iterator.hasNext())
-                    candidateRead = iterator.next();                
+                candidateRead = iterator.next();
             }
         }
     }