Fix test pr88680.C

Fix pr88680.C failures due to short enums on arm-none-eabi.

Committed as obvious.

    gcc/testsuite/
	* g++.dg/wrappers/pr88680.C: Add -fno-short-enums.

From-SVN: r268988

gcc/testsuite/ChangeLog

+2019-02-18  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* g++.dg/wrappers/pr88680.C: Add -fno-short-enums.
+
 2019-02-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gdc.dg/dg.exp: Tabify.

gcc/testsuite/g++.dg/wrappers/pr88680.C

 // { dg-do compile { target c++11 } }
-// { dg-options "-Wtype-limits" }
+// { dg-options "-Wtype-limits -fno-short-enums" }
 
 const unsigned N = 8;
 const unsigned P = 0;