debug needs -fglasgow-exts too.

diff --git a/program/debug b/program/debug
index 7742e85..3668570 100755 (executable)
--- a/program/debug
+++ b/program/debug
@@ -2,4 +2,4 @@
 # Let ghci see only the source so it loads the modules debuggably.
 mkdir -p debugdir
 (cd debugdir && ln -fs ../*.hs .)
-exec ghci -i -idebugdir Test "$@"
+exec ghci -fglasgow-exts -i -idebugdir Test "$@"