texi2html: Allow compiling out-of-source
Compiling texi2html 5.0 out-of-source with USE_NLS set to no failed
because it tried to copy from srcdir without using that variable.
Fix this issue and add a reference to the upstream commit.
(From OE-Core rev:
28a37020f50e513b247015b1b0a784c99d41aae3)
Signed-off-by: Olaf Mandel <o.mandel@menlosystems.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
