* jni.cc (JNI_CreateJavaVM): Remove JNIEXPORT.
	(JNI_GetCreatedJavaVMs): Likewise.
	(JNI_GetDefaultJavaVMInitArgs): Likewise.
	* include/jni.h (JNIIMPEXP): Remove definition
	and replace with...
	(__GCJ_JNIIMPEXP__): New macro, applicable only to libgcj
	symbols,
	(__GCJ_DLL__): New macro, controlling __GCJ_JNIIMPEXP__.

From-SVN: r73484