don't run gettext if 'require.gettext' is set to false

apps/i2psnark/java/build.xml

@@ -24,6 +24,9 @@
         </depend>
     </target>
 
+    <condition property="no.bundle">
+        <isfalse value="${require.gettext}" />
+    </condition>
     <property name="javac.compilerargs" value="" />
     <property name="require.gettext" value="true" />
 
@@ -120,7 +123,7 @@
         </uptodate>
     </target>
     
-    <target name="bundle" depends="compile">
+    <target name="bundle" depends="compile" unless="no.bundle">
         <!-- Update the messages_*.po files.
              We need to supply the bat file for windows, and then change the fail property to true -->
         <exec executable="sh" osfamily="unix" failifexecutionfails="true" failonerror="${require.gettext}" >