QUIC: improved size calculation in ngx_quic_write_chain(). Previously, size was calculated based on the number of input bytes processed by the function. Now only the copied bytes are considered. This prevents overlapping buffers from contributing twice to the overall written size.

make -f misc/GNUmakefile release

the required tools:
*) xsltproc to build CHANGES,
*) xslscript.pl ( http://hg.nginx.org/xslscript ) to build XSLTs
   from XSLScript sources.


make -f misc/GNUmakefile icons

the required tool:
*) netpbm to create Win32 icons from xpm sources.