Update submodule branch dev to master
diff --git a/.gitmodules b/.gitmodules
index 9fb3c5c..ae04bda 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,3 @@
 [submodule "WiringPi"]
 	path = WiringPi
 	url = https://github.com/hardkernel/wiringPi.git
-	branch = dev