s/\t/ /

pom.xml

@@ -984,7 +984,7 @@
                                 <exclude>org/elasticsearch/Version.class</exclude>
                                 <exclude>org/apache/lucene/search/XReferenceManager.class</exclude>
                                 <exclude>org/apache/lucene/search/XSearcherManager.class</exclude>
-				                <exclude>org/elasticsearch/index/percolator/stats/ShardPercolateService$RamEstimator.class</exclude>
+                                <exclude>org/elasticsearch/index/percolator/stats/ShardPercolateService$RamEstimator.class</exclude>
                                 <!-- end excludes for valid system-out -->
                                 <!-- start excludes for Unsafe -->
                                 <exclude>org/elasticsearch/common/util/UnsafeUtils.class</exclude>