[SX1231] Fixed exclusion macros

src/modules/SX1231/SX1231.cpp

@@ -1,5 +1,5 @@
 #include "SX1231.h"
-#if !defined(RADIOLIB_EXCLUDE_RF69)
+#if !defined(RADIOLIB_EXCLUDE_SX1231)
 
 SX1231::SX1231(Module* mod) : RF69(mod) {
 

src/modules/SX1231/SX1231.h

@@ -1,7 +1,10 @@
-#if !defined(_RADIOLIB_SX1231_H) && !defined(RADIOLIB_EXCLUDE_RF69)
+#if !defined(_RADIOLIB_SX1231_H)
 #define _RADIOLIB_SX1231_H
 
 #include "../../TypeDef.h"
+
+#if !defined(RADIOLIB_EXCLUDE_SX1231)
+
 #include "../../Module.h"
 #include "../RF69/RF69.h"
 
@@ -53,3 +56,5 @@ class SX1231: public RF69  {
 };
 
 #endif
+
+#endif