*) refactor error_log processing: listen socket log might inherit built-in error_log with zero level, and r2447, r2466, r2467 were not enough *) remove bogus "stderr" level *) some functions and fields renames

# Copyright (C) Igor Sysoev


# aCC: HP ANSI C++ B3910B A.03.55.02

# C89 mode

CFLAGS="$CFLAGS -Ae"
CC_TEST_FLAGS="-Ae"

PCRE_OPT="$PCRE_OPT -Ae"
ZLIB_OPT="$ZLIB_OPT -Ae"
MD5_OPT="$MD5_OPT -Ae"