fix packaging

MANIFEST.in

@@ -1,3 +1,3 @@
 include LICENSE README.md
-recursive-include docs *
+recursive-include pymodmilter/docs *
-recursive-include misc *
+recursive-include pymodmilter/misc *

pymodmilter/__init__.py

@@ -20,7 +20,7 @@ __all__ = [
     "Rule",
     "ModifyMilter"]
 
-__version__ = "1.1.1"
+__version__ = "1.1.2"
 
 import Milter
 import logging
@@ -111,9 +111,13 @@ setattr(email._header_value_parser, "get_name_addr", get_name_addr)
 #  add charset alias for windows-874 encoding  #
 ################################################
 
+aliases = encodings.aliases.aliases
+
 for alias in ["windows-874", "windows_874"]:
-    if alias not in encodings.aliases.aliases:
+    if alias not in aliases:
-        encodings.aliases.aliases[alias] = "cp874"
+        aliases[alias] = "cp874"
+
+setattr(encodings.aliases, "aliases", aliases)
 
 ################################################