Allow to change relay status using GET requests

code/espurna/relay.ino

@@ -253,7 +253,8 @@ void relaySetupAPI() {
                 } else {
                     relayStatus(relayID, value == 1);
                 }
-            });
+            }
+        );
 
     }
 

code/espurna/web.ino

@@ -587,9 +587,9 @@ ArRequestHandlerFunction _bindAPI(unsigned int apiID) {
         bool asJson = _asJson(request);
 
         web_api_t api = _apis[apiID];
-        if (request->method() == HTTP_PUT) {
-            if (request->hasParam("value", true)) {
-                AsyncWebParameter* p = request->getParam("value", true);
+        if (api.putFn != NULL) {
+            if (request->hasParam("value", request->method() == HTTP_PUT)) {
+                AsyncWebParameter* p = request->getParam("value", request->method() == HTTP_PUT);
                 (api.putFn)((p->value()).c_str());
             }
         }