Correct #endif comments

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/aes.c b/library/aes.c
index a5fe6de..b750e7e 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -187,10 +187,10 @@
 static const uint32_t FT3[256] = { FT };
 #undef V
 
-#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) */
-
 #endif /* !MBEDTLS_AES_FEWER_TABLES */
 
+#endif /* !defined(MBEDTLS_AES_ENCRYPT_ALT) */
+
 #undef FT
 
 #if !defined(MBEDTLS_AES_DECRYPT_ALT)