Update buffer.py

Thanks to @walnutmusic740

Author: andiricum2

pieraknet/buffer.py

@@ -107,7 +107,7 @@ def write_unsigned_short(self, data):
     def read_magic(self):
         return self.read(16)
 
-    def write_magic(self, data=b'00ffff00fefefefefdfdfdfd122345678'):
+    def write_magic(self, data=b'00ffff00fefefefefdfdfdfd12345678'):
         if not isinstance(data, bytes):
             data = data.encode('utf-8')
         if len(data) != 16:
@@ -278,4 +278,4 @@ def write_flags(self, reliability_type, is_fragmented):
             raise ValueError("Reliability type must be between 0 and 7.")
 
         flags_byte = (reliability_type << 5) | (0b00001000 if is_fragmented else 0)
-        self.write_byte(flags_byte)
+        self.write_byte(flags_byte)