tests/eal: fix memory leak

[ upstream commit 80731e4 ]

The directory steam was not closed when the hugepage action was
HUGEPAGE_CHECK_EXISTS. This caused a memory leak in some parts of
the unit tests.

Fixes: 45f1b6e ("app: add new tests on eal flags")

Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
Reviewed-by: David Marchand <david.marchand@redhat.com>

app/test/test_eal_flags.c

@@ -124,6 +124,7 @@ process_hugefiles(const char * prefix, enum hugepage_action action)
 			case HUGEPAGE_CHECK_EXISTS:
 				{
 					/* file exists, return */
+					closedir(hugepage_dir);
 					result = 1;
 					goto end;
 				}