[PATCH] Do not accidentally include in-tree readline headers

[Tom Tromey]

>>>>> "Andrew" == Andrew Burgess <andrew.burgess@embecosm.com> writes:

Andrew> I don't really understand what the last sentence is telling me.  It
Andrew> feels like there's a bit missing from the end...

Oops, sorry.  I changed it to:

    The basic problem is that OPCODES_CFLAGS uses -I$(OPCODES_SRC)/..  so
    that #include "opcodes/..." works.  However, this also makes it so the
    #include <readline/...> includes are found in the srcdir.

Tom