Point to a real file.

Index: jni/jni.h
--- jni/jni.h.orig
+++ jni/jni.h
@@ -43,7 +43,7 @@
 /* jni_md.h contains the machine-dependent typedefs for jbyte, jint 
    and jlong */ 
 
-#include "jni_md.h"
+#include "netbsd/jni_md.h"
 
 #ifdef __cplusplus
 extern "C" {
