replace md5 with hashlib in md5crypt

gistfile1.diff

--- md5crypt.py.orig	2012-06-18 19:19:24.093589000 +0800
+++ md5crypt.py	2012-06-18 19:19:53.057589003 +0800
@@ -41,7 +41,7 @@
 MAGIC = '$1$'# Magic string
 ITOA64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
 
-import md5
+from hashlib import md5
 
 def to64 (v, n):
     ret = ''
@@ -74,7 +74,7 @@
 
     ctx = pw + magic + salt
 
-    final = md5.md5(pw + salt + pw).digest()
+    final = md5(pw + salt + pw).digest()
 
     for pl in range(len(pw),0,-16):
         if pl > 16:
@@ -93,7 +93,7 @@
             ctx = ctx + pw[0]
         i = i >> 1
 
-    final = md5.md5(ctx).digest()
+    final = md5(ctx).digest()
     
     # The following is supposed to make
     # things run slower. 
@@ -119,7 +119,7 @@
             ctx1 = ctx1 + pw
             
             
-        final = md5.md5(ctx1).digest()
+        final = md5(ctx1).digest()
 
 
     # Final xform