Fix more tests: Correct the source character position of name nodes to improve...

Fix more tests: Correct the source character position of name nodes to improve error reporting (previously reported the character position *behind* the name).

tests/errors/w_numpy_arr_as_cppvec_ref.pyx

@@ -24,8 +24,8 @@ def main():
 
 
 _ERRORS = """
-17:28: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
-18:28: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
-19:31: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
-19:36: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
+17:25: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
+18:25: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
+19:28: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
+19:33: Cannot pass Python object as C++ data structure reference (vector[int] &), will pass by copy.
 """

tests/errors/w_python_list_as_cppset_ref.pyx

@@ -15,5 +15,5 @@ def pass_py_obj_as_cpp_cont_ref():
 
 
 _ERRORS = """
-14:33: Cannot pass Python object as C++ data structure reference (set[int] &), will pass by copy.
+14:22: Cannot pass Python object as C++ data structure reference (set[int] &), will pass by copy.
 """