Update NimBLEAdvertising.h

Author: h2zero

src/NimBLEAdvertising.h

@@ -56,8 +56,6 @@ class NimBLEAdvertising {
     bool setDiscoverableMode(uint8_t mode);
     bool reset();
     bool isAdvertising();
-
-private:
     void setScanFilter(bool scanRequestWhitelistOnly, bool connectWhitelistOnly);
     void enableScanResponse(bool enable);
     void setAdvertisingInterval(uint16_t interval);