gRPC: clearing buffers in ngx_http_grpc_get_buf(). We copy input buffers to our buffers, so various flags might be unexpectedly set in buffers returned by ngx_chain_get_free_buf(). In particular, the b->in_file flag might be set when the body was written to a file in a different context. With sendfile enabled this in turn might result in protocol corruption if such a buffer was reused for a control frame. Make sure to clear buffers and set only fields we really need to be set.

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.