check-stylish: one of the io-classes module is not parsable

Use the `fd` command in a way which allows to match relative paths and
exclude files by relative path.

Author: coot

scripts/check-stylish.sh

@@ -5,6 +5,6 @@ export LC_ALL=C.UTF-8
 
 [[ -x '/usr/bin/fd' ]] && FD="fd" ||  FD="fdfind"
 
-$FD . './io-sim' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
-$FD . './io-classes' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
-$FD . './strict-stm' -e hs -E Setup.hs -X stylish-haskell -c .stylish-haskell.yaml -i
+$FD -E Setup.hs -g '*.hsc?$' io-sim -X stylish-haskell -c .stylish-haskell.yaml -i
+$FD -E Setup.hs -E src/Control/Concurrent/Class/MonadSTM.hs -g '*.hsc?$' io-classes -X stylish-haskell -c .stylish-haskell.yaml -i
+$FD -E Setup.hs -g '*.hsc?$' strict-stm -X stylish-haskell -c .stylish-haskell.yaml -i