profiles: pmask dev-perl/encoding-warnings

This is mostly a long standing historical accident as its supposed
to be part of perl itself.

The CPAN version is also accumulating bugs so installing it is _WORSE_
than using the version shipped with perl, as perl > CPAN

Bug: https://bugs.gentoo.org/615844
Bug: https://rt.cpan.org/Ticket/Display.html?id=121206
Bug: https://rt.cpan.org/Ticket/Display.html?id=100538

profiles/package.mask

@@ -29,6 +29,13 @@
 
 #--- END OF EXAMPLES ---
 
+# Kent Fredric <[email protected]> (17 Apr 2017)
+# Should be provided by dev-lang/perl or a virtual since perl 5.9,
+# But was added accidentally in 2012. Don't depend on this,
+# and if you need a version newer than 0.11, ask perl project
+# for a virtual
+dev-perl/encoding-warnings
+
 # James Le Cuirot <[email protected]> (14 Apr 2017)
 # Outdated and stuck behind a temperamental registration wall that I
 # have lost my patience with. Removal in 30 days if no one cares