Update our yasm copy to yasm 1.1.0 (Part 1: yasm side)...

third_party/yasm/patched-yasm/tools/python-yasm/expr.pxi

 # Python bindings for Yasm: Pyrex input file for expr.h
 #
 #  Copyright (C) 2006  Michael Urman, Peter Johnson
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 41 matching lines @@
         __op[op] = operation
 
 del operator, op, ops, operation
 
 cdef object __make_expression(yasm_expr *expr):
     return Expression(__pass_voidp(expr, Expression))
 
 cdef class Expression:
     cdef yasm_expr *expr
 
-    def __new__(self, op, *args, **kwargs):
+    def __cinit__(self, op, *args, **kwargs):
         self.expr = NULL
 
         if isinstance(op, Expression):
             self.expr = yasm_expr_copy((<Expression>op).expr)
             return
         if PyCObject_Check(op):
             self.expr = <yasm_expr *>__get_voidp(op, Expression)
             return
 
         cdef size_t numargs
@@ skipping 54 matching lines @@
             raise ValueError("not a WRT expression")
         return __make_expression(retval)
 
     def get_intnum(self, calc_bc_dist=False):
         cdef yasm_intnum *retval
         retval = yasm_expr_get_intnum(&self.expr, calc_bc_dist)
         if retval == NULL:
             raise ValueError("not an intnum expression")
         return __make_intnum(yasm_intnum_copy(retval))