Add trivial test cases for RAND_add() and RAND_status().

(The rest of the test cases are trivial, so I don't feel too bad.)

Lib/test/test_socket_ssl.py

@@ -13,4 +13,18 @@
 
 import urllib
 
-urllib.urlopen('https://sf.net')
+socket.RAND_status()
+try:
+    socket.RAND_egd(1)
+except TypeError:
+    pass
+else:
+    print "didn't raise TypeError"
+socket.RAND_add("this is a random string", 75.0)
+
+f = urllib.urlopen('https://sf.net')
+buf = f.read()
+f.close()
+
+
+