Fix bug: test 22 not skipped when Unicode not configured.

RunTest

@@ -821,6 +821,8 @@ for bmode in "$test8" "$test16" "$test32"; do
     echo $title22
     if [ $supportBSC -eq 0 ] ; then
       echo "  Skipped because \C is disabled"
+    elif [ $utf -eq 0 ] ; then
+      echo "  Skipped because UTF-$bits support is not available"
     else
       for opt in "" $jitopt; do
         $sim $valgrind ${opt:+$vjs} ./pcre2test -q $defaultstack $bmode $opt $testdata/testinput22 testtry