Add mode objfpc to units/character/tutf32convert test

git-svn-id: trunk@40546 -
(cherry picked from commit bf7af550c82cd19d404e0b46a494cdac12064190)

tests/test/units/character/tutf32convert.pp

@@ -1,5 +1,7 @@
 program tutf32convert;
 
+{$mode objfpc}
+
 {$apptype console}
 
 uses