jni.cc (nathash, [...]): New globals.

jni.cc (nathash, [...]): New globals.

	* jni.cc (nathash, nathash_count, nathash_size): New globals.
	(DELETED_ENTRY): New define.
	(hash): New function.
	(nathash_find_slot): Likewise.
	(natrehash): Likewise.
	(nathash_add): Likewise.
	(_Jv_JNI_RegisterNatives): No longer interpreter-specific.  Use
	nathash_add.
	(nathash_find): New function.
	(_Jv_LookupJNIMethod): Use it.  Synchronize body.
	(call): Synchronize around assignment.

From-SVN: r45060