Moving defines up to top of file and adding bracelets around constants (good programming practice)

Author: aentinger

src/NB_SMS.h

@@ -22,6 +22,11 @@
 
 #include <Stream.h>
 
+#define NB_SMS_CLEAR_READ             (1)
+#define NB_SMS_CLEAR_READ_SENT        (2)
+#define NB_SMS_CLEAR_READ_SENT_UNSENT (3)
+#define NB_SMS_CLEAR_ALL              (4)
+
 class NB_SMS : public Stream {
 
 public:
@@ -85,11 +90,7 @@ class NB_SMS : public Stream {
   void flush();
 
   /** Delete all read and sent SMS from Modem memory and process answer */
-#define NB_SMS_CLEAR_READ             1
-#define NB_SMS_CLEAR_READ_SENT        2
-#define NB_SMS_CLEAR_READ_SENT_UNSENT 3 
-#define NB_SMS_CLEAR_ALL              4
-  void clear(int flag=NB_SMS_CLEAR_READ_SENT);
+  void clear(int flag = NB_SMS_CLEAR_READ_SENT);
 
 private:
   bool _synch;