add column offset to all syntax errors
diff --git a/Python/future.c b/Python/future.c
index 515dcd9..551edc6 100644
--- a/Python/future.c
+++ b/Python/future.c
@@ -44,12 +44,12 @@
         } else if (strcmp(feature, "braces") == 0) {
             PyErr_SetString(PyExc_SyntaxError,
                             "not a chance");
-            PyErr_SyntaxLocation(filename, s->lineno);
+            PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
             return 0;
         } else {
             PyErr_Format(PyExc_SyntaxError,
                          UNDEFINED_FUTURE_FEATURE, feature);
-            PyErr_SyntaxLocation(filename, s->lineno);
+            PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
             return 0;
         }
     }
@@ -98,8 +98,7 @@
                 if (done) {
                     PyErr_SetString(PyExc_SyntaxError,
                                     ERR_LATE_FUTURE);
-                    PyErr_SyntaxLocation(filename,
-                                         s->lineno);
+                    PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
                     return 0;
                 }
                 if (!future_check_features(ff, s, filename))