selftests: prctl: Fix spelling mistake "anonynous" -> "anonymous"

There is a spelling mistake in an log message. Fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Signed-off-by: Shuah Khan <[e-mail]>

tools/testing/selftests/prctl/set-anon-vma-name-test.c

···
 	TH_LOG("Try to pass invalid name (with non-printable character \\1) to rename the VMA");
 	EXPECT_EQ(rename_vma((unsigned long)self->ptr_anon, AREA_SIZE, BAD_NAME), -EINVAL);
 
-	TH_LOG("Try to rename non-anonynous VMA");
+	TH_LOG("Try to rename non-anonymous VMA");
 	EXPECT_EQ(rename_vma((unsigned long) self->ptr_not_anon, AREA_SIZE, GOOD_NAME), -EINVAL);
 }