Added basic offset support in client CRYPTO frames. The offset in client CRYPTO frames is tracked in c->quic->crypto_offset_in. This means that CRYPTO frames with non-zero offset are now accepted making possible to finish handshake with client certificates that exceed max packet size (if no reordering happens). The c->quic->crypto_offset field is renamed to crypto_offset_out to avoid confusion with tracking of incoming CRYPTO stream.

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


# 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"