Added code to print out file name in GCC building because GCC doesn't output its input file name in its stdout

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@844 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/userdefine/CommandLineUserDefine.java

@@ -157,6 +157,9 @@ public class CommandLineUserDefine {
                 for (int j = 0; j < fileNames.length; j++){
                     // execute the command
                     allSrcFiles.add(scanner.getBasedir() + "/" + fileNames[j]);
+                    if (isGccCommand) {
+                        System.out.println("[" + userdefine.getType() + "] " + fileNames[j]);
+                    }
                 }
             }
         }