HADOOP-17813. Checkstyle - Allow line length: 100

Signed-off-by: Sean Busbey <busbey@apache.org>
(cherry picked from commit 98412ce2e1453308655d4f43e7f8c922960e6955)

hadoop-build-tools/src/main/resources/checkstyle/checkstyle.xml

@@ -124,6 +124,7 @@
         <!-- Checks for Size Violations.                    -->
         <!-- See http://checkstyle.sf.net/config_sizes.html -->
         <module name="LineLength">
+          <property name="max" value="100"/>
           <property name="ignorePattern" value="^(package|import) .*"/>
         </module>
         <module name="MethodLength"/>