crecord: don't abort on Windows when curses isn't available

This is the hack portion of the previous patch, which can be backed out once we
figure out how to deal with curses.  Without this, the tests affected by the
import problem mentioned in the previous patch fail in exactly the same way, but
with the nicer 'module not available' error.

mercurial/crecord.py

@@ -32,6 +32,7 else:
 try:
     curses
 except NameError:
+    if os.name != 'nt':  # Temporary hack to get running on Windows again
     raise util.Abort(
         _('the python curses/wcurses module is not available/installed'))