Merge pull request #50 from googlesamples/proppy-patch-1

examples/push: fix constructor syntax

Author: proppy

examples/FirebasePush_ESP8266/FirebasePush_ESP8266.ino

@@ -20,8 +20,8 @@
 #include <Firebase.h>
 
 // create firebase client.
-Firebase fbase("example.firebaseio.com")
-         .auth("secret_or_token");
+Firebase fbase = Firebase("example.firebaseio.com")
+                   .auth("secret_or_token");
 
 void setup() {
   Serial.begin(9600);