* dcrt0.cc (cygwin_atexit): Add workaround for broken atexit calls
	in __gcc_register_frame of DLLs built with gcc-4.8.3-3.
merge from gcc
	* ntsec.xml: Try to make an expression less ambiguous.
	* ntsec.xml: Fix Solaris doc URLs.
	* globals.cc (dos_file_warning): Set to false by default.
	* path.cc (warn_msdos): Make static.  Drop test for dos_file_warning.
	(path_conv::check): Check for dos_file_warning here to avoid a function
	call in the default case.
	* cygwinenv.xml: Change default setting of dosfilewarning.
	* new-features.xml (ov-new1.7.33): Document aforementioned change.
	* xidepend: Make PDF file dependent on the same input files as the
	HTML file of the same name to trigger automatic rebuild of PDFs on
	source file changes as well.
merge from gcc
	* common.din (__cxa_atexit): Define as cygwin__cxa_atexit.
	* dcrt0.cc (cygwin__cxa_atexit): New function.  Explain what we do.
	* ntsec.xml (ntsec-mapping-caching): Describe service dependencies
	in terms of cygserver.
	* setfacl.c (setfacl): Fix bracketing in expression.
	* cygheap.cc (init_cygheap::init_installation_root): Create content of
	installation_dir as non-prefixed path, if possible.
	* libc/stdio/vfprintf.c (_VFPRINTF_R): Remove unnecessary comparison.
Fix copyright date