Perform tlslite 0.3.8 -> 0.4.6 renames ahead of time.

third_party/tlslite/tlslite/utils/openssl_rc4.py

 """OpenSSL/M2Crypto RC4 implementation."""
 
 from cryptomath import *
-from RC4 import RC4
+from rc4 import RC4
 
 if m2cryptoLoaded:
 
     def new(key):
         return OpenSSL_RC4(key)
 
     class OpenSSL_RC4(RC4):
 
         def __init__(self, key):
             RC4.__init__(self, key, "openssl")
             self.rc4 = m2.rc4_new()
             m2.rc4_set_key(self.rc4, key)
 
         def __del__(self):
             m2.rc4_free(self.rc4)
 
         def encrypt(self, plaintext):
             return m2.rc4_update(self.rc4, plaintext)
 
         def decrypt(self, ciphertext):
             return self.encrypt(ciphertext)