imgui-cpp: use https url for submodule to solve travis problem

swistakm · swistakm · commit 288ff0cdfc65 · 2016-10-27T09:55:52.000+02:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "imgui-cpp"]
 	path = imgui-cpp
-	url = git@github.com:ocornut/imgui.git
+	url = https://github.com/ocornut/imgui.git
