Fix scan pattern in gfortran.dg/implied_do_io_1.f90

2017-11-02  Tom de Vries  <tom@codesourcery.com>

	* gfortran.dg/implied_do_io_1.f90: Fix scan-tree-dump-times pattern.

From-SVN: r254336

gcc/testsuite/ChangeLog

+2017-11-02  Tom de Vries  <tom@codesourcery.com>
+
+	* gfortran.dg/implied_do_io_1.f90: Fix scan-tree-dump-times pattern.
+
 2017-11-01  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/82778

gcc/testsuite/gfortran.dg/implied_do_io_1.f90

@@ -56,4 +56,4 @@ program main
 1000 format (A2,100I4)
 end program main
 
-! { dg-final { scan-tree-dump-times "while" 7 "original" } }
+! { dg-final { scan-tree-dump-times "(?n)^\\s*while \\(1\\)$" 7 "original" } }