[MPOM-154] Upgrade findbugs-maven-plugin to 3.0.4.

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1774832 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/maven/pom.xml b/maven/pom.xml
index 842623b..12a3b14 100644
--- a/maven/pom.xml
+++ b/maven/pom.xml
@@ -985,7 +985,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>findbugs-maven-plugin</artifactId>
-          <version>3.0.3</version>
+          <version>3.0.4</version>
         </plugin>
         <plugin>
           <groupId>org.codehaus.mojo</groupId>