Clean up temporary files created by std::filesystem testsuite

	* testsuite/27_io/filesystem/operations/canonical.cc: Remove
	directory created by test.
	* testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
	symlink created by test.

From-SVN: r266535

libstdc++-v3/ChangeLog

 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/27_io/filesystem/operations/canonical.cc: Remove
+	directory created by test.
+	* testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
+	symlink created by test.
+
 	PR libstdc++/67843
 	* acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
 	that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.

libstdc++-v3/testsuite/27_io/filesystem/operations/canonical.cc

@@ -36,6 +36,7 @@ test01()
   VERIFY( ec );
 
   create_directory(p);
+  __gnu_test::scoped_file l(p, __gnu_test::scoped_file::adopt_file);
   auto p2 = canonical( p, ec );
   compare_paths( p2, fs::current_path()/p );
   VERIFY( !ec );

libstdc++-v3/testsuite/27_io/filesystem/operations/symlink_status.cc

@@ -42,6 +42,7 @@ test01()
 
   fs::path link = __gnu_test::nonexistent_path();
   create_directory_symlink(dot, link);
+  __gnu_test::scoped_file l(link, __gnu_test::scoped_file::adopt_file);
 
   st1 = fs::symlink_status(link);
   VERIFY( st1.type() == fs::file_type::symlink );