Support verbose-attribute for jvc (just for completeness)

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268526 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/compilers/Jvc.java

@@ -125,6 +125,9 @@ public class Jvc extends DefaultCompilerAdapter {
         if (optimize) {
             cmd.createArgument().setValue("/O");
         }
+        if (verbose) {
+            cmd.createArgument().setValue("/verbose");
+        }
 
         int firstFileName = cmd.size();
         logAndAddFilesToCompile(cmd);