framework/st_things : unchanged softap information is tagged with the const keyword.
softap information is unchangeable information, declare it as const.
@@ -162,9 +162,9 @@ static char *g_model_number;
static char *g_setup_id;
static bool is_artik;
static char g_easysetup_softap_ssid[MAX_SOFTAP_SSID + 1];
-static char *g_easysetup_softap_passphrase = "1111122222";
-static char *g_easysetup_tag = "E1";
-static int g_easysetup_softap_channel = 1;
+static const char *g_easysetup_softap_passphrase = "1111122222";
+static const char *g_easysetup_tag = "E1";
+static const int g_easysetup_softap_channel = 1;
static int g_wifi_interface;
static wifi_freq_e g_wifi_freq;
