use native contructor and destructor to initialize WSclient_t

src/WebSockets.h

@@ -258,7 +258,19 @@ typedef struct {
     uint8_t * maskKey;
 } WSMessageHeader_t;
 
-typedef struct {
+struct WSclient_t {
+
+    WSclient_t() = default;
+
+    WSclient_t(uint8_t num, uint32_t pingInterval, uint32_t pongTimeout, uint8_t disconnectTimeoutCount):
+        num(num),
+        status(WSC_NOT_CONNECTED),
+        pingInterval(pingInterval),
+        pongTimeout(pongTimeout),
+        disconnectTimeoutCount(disconnectTimeoutCount)
+    {
+    }
+
     uint8_t num;    ///< connection number
 
     WSclientsStatus_t status;
@@ -309,7 +321,7 @@ typedef struct {
     String cHttpLine;    ///< HTTP header lines
 #endif
 
-} WSclient_t;
+};
 
 class WebSockets {
   protected: