Merge pull request phaethon#82 from vorotnikovdk/getlayer_with_strings

Packet.getlayer() method can work with string layer name

Author: p-l-

scapy/packet.py

@@ -763,7 +763,7 @@ def getlayer(self, cls, nb=1, _track=None):
             ccls,fld = cls.split(".",1)
         else:
             ccls,fld = cls,None
-        if cls is None or self.__class__ == cls or self.__class__.name == ccls:
+        if cls is None or self.__class__ == cls or self.__class__.__name__ == ccls:
             if nb == 1:
                 if fld is None:
                     return self