builtin-stringop-chk-1.c (dg-options): Replace dg-options for target arm with dg-additional-options.

gcc/testsuite

2012-05-02  Greta Yorsh  <Greta.Yorsh@arm.com>

	* gcc.dg/builtin-stringop-chk-1.c (dg-options): Replace
	dg-options for target arm with dg-additional-options.

From-SVN: r187079