nginx 1.17.5 release

Formed master branch release nginx 1.17.5, within which the development of new features continues (in a parallel supported stable branch 1.16 only changes related to the elimination of serious errors and vulnerabilities are made).

All changes:

• Added support for calling ioctl(FIONREAD) if available, to avoid reading from a fast connection for a long time;
• Fixed an issue with ignoring incomplete encoded characters at the end of a request URI;
• Fixed problem with normalization of sequences "/." and "/.." at the end of the request URI;
• Fixed merge_slashes and ignore_invalid_headers directives;
• Fixed a bug that occurred when building nginx in MinGW-w64 gcc 8.1 and newer.

Source: opennet.ru