Suppress test data generation warnings

mpx · mpx · commit 2c671b28e4c6 · 2016-08-25T20:47:39.000+10:00
Modern versions of Perl generate warnings, but the unit tests are
currently designed to also test against the invalid UTF-8 characters.
diff --git a/tests/genutf8.pl b/tests/genutf8.pl
@@ -6,6 +6,7 @@
 #       cff03b039d850f370a7362f3313e5268
 
 use strict;
+no warnings 'nonchar';
 
 # 0xD800 - 0xDFFF are used to encode supplementary codepoints
 # 0x10000 - 0x10FFFF are supplementary codepoints
