Silence unused var warnings from Encode #147
Merged
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Fix issue Perl/perl5#17536 and
#146 and
#140 and
#143
Aliasing exposes the 'ix' variable. Since the code does not
change behavior based on the alias (which is what aliases are for)
the functions do not access the 'ix' variable, which throws
warnings. Since Encode is core they need to be fixed.
The correct solution to this is to declare the ix variable
unused by using the PERL_UNUSED_VAR(ix); macro, which
this patch does.