minor code cleanup

--HG--
extra : transplant_source : %D7%EC%163%08%A9N%E1%94%95%97%3A.%E94%D0%7C%AE%F3%85

Cython/Compiler/Annotate.py

@@ -76,8 +76,7 @@ class AnnotationCCodeWriter(CCodeWriter):
                     else:
                         all.append((pos, start+end))
 
-        all.sort()
-        all.reverse()
+        all.sort(reverse=True)
         for pos, item in all:
             _, line_no, col = pos
             line_no -= 1