jvm.h (namespace jcj): Declare verbose_class_flag

* include/jvm.h (namespace jcj):  Declare verbose_class_flag
	* java/lang/natClass.cc (gcj::verbose_class_flag):  New variable.
	(initializeClass):  If verbose_class_flag, print message.
	* gij.cc (main):  Handle -verbose:class flag.

From-SVN: r84242

libjava/include/jvm.h

@@ -238,6 +238,9 @@ namespace gcj
   
   /* Set to true by _Jv_CreateJavaVM. */
   extern bool runtimeInitialized;
+
+  /* Print out class names as they are initialized. */
+  extern bool verbose_class_flag;
 }
 
 /* Type of pointer used as finalizer.  */