Consider newly added X::SymbolNotDynamic exception

Make _S32/exceptions/mist.t_ use v6.c explicitly

Author: vrurg

S02-types/WHICH.t

@@ -171,6 +171,7 @@ my @exception = <
   X::Buf::Pack
   X::Buf::Pack::NonASCII
   X::Caller::NotDynamic
+  X::SymbolNotDynamic
   X::Cannot::Empty
   X::Cannot::Lazy
   X::Cannot::New

S32-exceptions/misc.t

@@ -1,4 +1,4 @@
-use v6;
+use v6.c;
 use Test;
 use lib $?FILE.IO.parent(2).add("packages/Test-Helpers");
 use Test::Util;