Pico: remove unnecessary c_str calls

Author: tyeth

src/network_interfaces/ws_networking_pico.h

@@ -112,7 +112,7 @@ class ws_networking_pico : public Wippersnapper {
 
     // Was the network within secrets.json found?
     for (int i = 0; i < n; ++i) {
-      if (strcmp(_ssid, WiFi.SSID(i).c_str()) == 0) {
+      if (strcmp(_ssid, WiFi.SSID(i)) == 0) {
         WS_DEBUG_PRINT("SSID (");
         WS_DEBUG_PRINT(_ssid);
         WS_DEBUG_PRINT(") found! RSSI: ");
@@ -122,7 +122,7 @@ class ws_networking_pico : public Wippersnapper {
       if (WS._isWiFiMulti) {
         // multi network mode
         for (int j = 0; j < WS_MAX_ALT_WIFI_NETWORKS; j++) {
-          if (strcmp(WS._multiNetworks[j].ssid, WiFi.SSID(i).c_str()) == 0) {
+          if (strcmp(WS._multiNetworks[j].ssid, WiFi.SSID(i)) == 0) {
             WS_DEBUG_PRINT("SSID (");
             WS_DEBUG_PRINT(WS._multiNetworks[j].ssid);
             WS_DEBUG_PRINT(") found! RSSI: ");