Headers filter: empty Cache-Control is no longer added. Much like with other headers, "add_header Cache-Control $value;" no longer results in anything added to response headers if $value evaluates to an empty string.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


CFLAGS = -zq -bt=nt -bm -ot -op -oi -oe -s $(CPU_OPT)

sha1.lib:
	cd $(SHA1)
	wcl386 -c $(CFLAGS) -dL_ENDIAN sha1dgst.c
	wlib -n sha1.lib sha1dgst.obj