Update tlslite to 0.4.6.

third_party/tlslite/patches/client_cipher_preferences.patch

Index: third_party/tlslite/patches/client_cipher_preferences.patch
diff --git a/third_party/tlslite/patches/client_cipher_preferences.patch b/third_party/tlslite/patches/client_cipher_preferences.patch
new file mode 100644
index 0000000000000000000000000000000000000000..971939cabeb1c0f9e437ff60bb3dddfece77d51e
--- /dev/null
+++ b/third_party/tlslite/patches/client_cipher_preferences.patch
@@ -0,0 +1,18 @@
+diff --git a/third_party/tlslite/tlslite/tlsconnection.py b/third_party/tlslite/tlslite/tlsconnection.py
+index b9797d2..20cd85b 100755
+--- a/third_party/tlslite/tlslite/tlsconnection.py
++++ b/third_party/tlslite/tlslite/tlsconnection.py
+@@ -1386,10 +1386,9 @@ class TLSConnection(TLSRecordLayer):
+         #the only time we won't use it is if we're resuming a
+         #session, in which case we use the ciphersuite from the session.
+         #
+-        #Given the current ciphersuite ordering, this means we prefer SRP
+-        #over non-SRP.
+-        for cipherSuite in cipherSuites:
+-            if cipherSuite in clientHello.cipher_suites:
++        #Use the client's preferences for now.
++        for cipherSuite in clientHello.cipher_suites:
++            if cipherSuite in cipherSuites:
+                 break
+         else:
+             for result in self._sendError(\