disable fallthrough warning for all since autogen code uses it

Author: Vladimir Kotal

opengrok-indexer/src/main/java/org/opengrok/indexer/search/QueryBuilder.java

@@ -413,6 +413,7 @@ private String getQueryText(String field) {
      * @param query the query string to escape
      * @return the escaped query string
      */
+    @SuppressWarnings("fallthrough")
     private String escapeQueryString(String field, String query) {
         switch (field) {
             case FULL:

pom.xml

@@ -204,6 +204,7 @@ Portions Copyright (c) 2018, Chris Fraire <[email protected]>.
                       <arg>-Xlint:-serial</arg>
                       <!-- meant for autogenerated sources -->
                       <arg>-Xlint:-auxiliaryclass</arg>
+                      <arg>-Xlint:-fallthrough</arg>
                     </compilerArgs>
                 </configuration>
                 <version>3.6.1</version>