settings: Add PASSWORD_LENGTH

Author: LeeLeahy2

Firmware/RTK_Everywhere/settings.h

@@ -398,11 +398,12 @@ typedef enum
 } BluetoothRadioType_e;
 
 #define SSID_LENGTH     50
+#define PASSWORD_LENGTH 50
 
 typedef struct WiFiNetwork
 {
     char ssid[SSID_LENGTH];
-    char password[50];
+    char password[PASSWORD_LENGTH];
 } WiFiNetwork;
 
 #define MAX_WIFI_NETWORKS 4