Add 'dg-do run' to 'libgomp.fortran/target-enter-data-2.F90'

Fix-up for commit af557050 "[OpenMP] Fix 'omp
exit data' for Fortran arrays (PR 94635)".

	libgomp/
	PR middle-end/94635
	* testsuite/libgomp.fortran/target-enter-data-2.F90: Add 'dg-do
	run'.

libgomp/ChangeLog

+2020-04-20  Thomas Schwinge  <thomas@codesourcery.com>
+
+	PR middle-end/94635
+	* testsuite/libgomp.fortran/target-enter-data-2.F90: Add 'dg-do
+	run'.
+
 2020-04-20  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR middle-end/94120

libgomp/testsuite/libgomp.fortran/target-enter-data-2.F90

 ! { dg-additional-options "-DMEM_SHARED" { target offload_device_shared_as } }
+! { dg-do run }
 !
 ! PR middle-end/94635
   implicit none