selftests: fix spelling mistaked "chaigned" -> "chained"

There is a spelling mistake in a literal string, fix it.

Signed-off-by: Colin Ian King <[email protected]>
Reviewed-by: Aleksa Sarai <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

Author: Colin Ian King

tools/testing/selftests/openat2/resolve_test.c

@@ -230,7 +230,7 @@ void test_openat2_opath_tests(void)
 		{ .name = "[in_root] garbage link to /root",
 		  .path = "cheeky/garbageself",	.how.resolve = RESOLVE_IN_ROOT,
 		  .out.path = "root",		.pass = true },
-		{ .name = "[in_root] chainged garbage links to /root",
+		{ .name = "[in_root] chained garbage links to /root",
 		  .path = "abscheeky/garbageself", .how.resolve = RESOLVE_IN_ROOT,
 		  .out.path = "root",		.pass = true },
 		{ .name = "[in_root] relative path to 'root'",