GitLab

	* jartool.c (main) Give proper error messages with -C, and
	check for missing arguments properly.  Send error messages
	to stderr.
	* jartool.c (add_to_jar): Make getcwd() call portable,
	and check for error return.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67985 138bc75d-0d04-0410-961f-82ee72b054a4