* gjavah.c (options): Added `jni' entry.
	(help): Document -jni.
	(flag_jni): New global.
	(process_file): Handle JNI output.  Don't print text from
	-prepend, -add, etc, when generating stubs.  Only remove `.class'
	suffix if it actually exists.
	(main): Create a `.c' file when run with `--jni --stubs'.  Create
	correct output file name with `--jni'.
	(print_include): Mangle header name differently in JNI case.
	(HANDLE_METHOD): In JNI mode, call print_method_info to generate
	method list.
	(print_method_info): Handle JNI case.  Put signature info into
	method name.  Handle case when STREAM is NULL.
	(print_name_for_stub_or_jni): New function.
	(print_stub_or_jni): Renamed from `print_stub'.  Handle JNI.
	(print_cxx_classname): Handle JNI.
	(print_full_cxx_name): Likewise.
	(decode_signature_piece): Likewise.
	(overloaded_jni_method_exists_p): New function.
	(struct method_name): Added `signature' and `sig_length' fields.
	(HANDLE_END_FIELD): Do nothing in JNI mode.

From-SVN: r31767