Enable jcmp op again

gte/turmit.py

@@ -392,7 +392,6 @@ class Turmit(object):
         if a != 0:
             self.__ip += offset
     """
-    """
 
     @RpnOp
     def jcmp(self, a, b, cnd, offset):
@@ -417,4 +416,3 @@ class Turmit(object):
         if cnd & 1 == 0 and a == b or cnd & 1 and a != b or\
 	   cnd & 0b10 and a < b or cnd & 0b100 and a > b:
             self.__ip += offset
-    """