[3.6] bpo-30854: Fix compile error when --without-threads (GH-2581) (#2583)

* bpo-30854: Fix compile error when --without-threads

* bpo-30854: fix news
(cherry picked from commit 0c311630)

Misc/NEWS.d/next/Build/2017-07-05-16-54-59.bpo-30854.sPADRI.rst

+Fix compile error when compiling --without-threads.
+Patch by Masayuki Yamamoto.

Python/ceval.c

@@ -621,7 +621,7 @@ Py_MakePendingCalls(void)
         arg = pendingcalls[i].arg;
         pendingfirst = (i + 1) % NPENDINGCALLS;
         if (func(arg) < 0) {
-            goto error:
+            goto error;
         }
     }
     busy = 0;