testsuite/c-c++-common/cpp/pragma-eof.c: Add missing require fopenmp

[Hans-Peter Nilsson]

Committed as obvious.  Gets rid of a spurious failure for mmix.

gcc/testsuite:
        * c-c++-common/cpp/pragma-eof.c: Require fopenmp.

diff --git a/gcc/testsuite/c-c++-common/cpp/pragma-eof.c 
b/gcc/testsuite/c-c++-common/cpp/pragma-eof.c
index c72be80..9537470 100644
--- a/gcc/testsuite/c-c++-common/cpp/pragma-eof.c
+++ b/gcc/testsuite/c-c++-common/cpp/pragma-eof.c
@@ -1,3 +1,4 @@
+/* { dg-require-effective-target fopenmp } */
 /* { dg-additional-options -fopenmp }  */

 /* { dg-error "expected" "" { target *-*-* } 6 } */