Changes in version 1.11:

Detection of forbidden combinations of characters in trailing data has
been improved.

Errors are now also checked when closing the input file.

Lunzip now compiles on DOS with DJGPP. (Patch from Robert Riebisch).

The configure script now accepts appending options to CFLAGS using the
syntax 'CFLAGS+=OPTIONS'.

It has been documented in INSTALL the use of
CFLAGS+='-D __USE_MINGW_ANSI_STDIO' when compiling on MinGW.
