Fix two errors that prevented "make libinstall" from working:

- a line indented with tabs;
- a function named 'as'.

Lib/idlelib/WindowList.py

@@ -45,7 +45,7 @@ class WindowList:
             try:
                 callback()
             except:
-		t, v, tb = sys.exc_info()
+                t, v, tb = sys.exc_info()
                 print "warning: callback failed in WindowList", t, ":", v
 
 registry = WindowList()

Lib/plat-mac/lib-scriptpackages/StdSuites/AppleScript_Suite.py

@@ -300,8 +300,8 @@ class AppleScript_Suite_Events:
         if _arguments.has_key('----'):
             return _arguments['----']
 
-    def as(self, _object, _attributes={}, **_arguments):
-        """as: Coercion
+    def as_(self, _object, _attributes={}, **_arguments):
+        """as_: Coercion
         Required argument: an AE object reference
         Keyword argument _attributes: AppleEvent attribute dictionary
         Returns: anything