Sync version of ANTLR with libraries.properties

src/etc/poms/ant-antlr/pom.xml

@@ -46,10 +46,9 @@
       <scope>compile</scope>
     </dependency>
     <dependency>
-      <!-- add a dependency with antlr 2.7.2 consistent with libraries.properties antlr 2.7.6 is also available on ibiblio-->
       <groupId>antlr</groupId>
       <artifactId>antlr</artifactId>
-      <version>2.7.2</version>
+      <version>2.7.7</version>
       <optional>true</optional>
       <scope>runtime</scope>
     </dependency>