fix to not sometimes read beyond the end of the string.

fix to not sometimes read beyond the end of the string.

	* libsoup/soup-headers.c (soup_header_parse_quality_list): fix to
	not sometimes read beyond the end of the string.

	* libsoup/soup-message-body.c (soup_message_body_append): When
	appending a 0-length SOUP_MEMORY_TAKE buffer, we need to free the
	passed-in buffer rather than just ignoring it.

	* libsoup/soup-server.c (got_headers): fix leak when decoding path

	* libsoup/soup-session.c (finalize): free ntlm_manager

	* tests/libsoup.supp: update for libsoup 2.4, glib 2.14, etc

	* tests/header-parsing.c (do_qvalue_tests):
	* tests/uri-parsing.c (main): more cleanup

svn path=/trunk/; revision=1055