Exclude a spotbug error

Author: arunkumarchacko

hadoop-tools/hadoop-gcp/dev-support/findbugs-exclude.xml

@@ -21,5 +21,9 @@
     <Method name="createItemInfoForBlob" />
     <Bug pattern="RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE" />
   </Match>
-
+  <Match>
+    <Class name="org.apache.hadoop.fs.gs.GoogleCloudStorage" />
+    <Method name="createItemInfoForBlob" />
+    <Bug pattern="NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE" />
+  </Match>
 </FindBugsFilter>