* path.cc (cygwin_conv_path): Handle NULL "from" path gracefully.
	* path.sgml (func-cygwin-conv-path): Document returning EINVAL if
	"from" is NULL.
newlib/MAINTAINERS: Add myself to Write After Approval.

2013-06-21  Will Newton  <will.newton@linaro.org>

	* MAINTAINERS: Add Will Newton to Write After Approval.