texinfo: Update to version 7.1.1

texinfo: Update to version 7.1.1

- Update from version 7.1 to 7.1.1
- Update of rootfile not required
- Changelog
    7.1.1
	* texi2any
	  . fix potential crash when @include is used inside a table
	  . do not complain about presence of @anchor inside @item in a table
	  . C source files that are generated from *.xs files are no no longer
	    distributed, so xsubpp from Perl is needed to build XS modules.
	  . fix bug that led to memory alignment error on SPARC
	  . performance improvement and fixes for MinGW
	  . test failures due to floating point rounding error fixed (observed
	    on IBM POWER9 processor)
	* info
	  . crash when setting style to invalid value fixed
	  . potential call of memcpy with null argument fixed

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>