Attempt to fix example_gamepad for windows msys2 workflow

.github/workflows/windows.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: msys2/setup-msys2@v2
         with:
           update: true
-          install: unzip mingw-w64-x86_64-SDL2
+          install: unzip mingw64/mingw-w64-x86_64-SDL2
           msystem: MINGW64
       - uses: actions/checkout@v2
         with:

example_gamepad/src/InputHandler.h

@@ -7,7 +7,7 @@
 #include <string>
 #include <sstream>
 #include <iostream>
-#include "SDL2/SDL.h"
+#include <SDL2/SDL.h>
 #include "ofMain.h"
 #include "ofxXmlSettings.h"
 
@@ -40,17 +40,17 @@ struct ControllerItem{
 class InputHandler{
 	public:
 		static InputHandler * instance();
-	
+
 		void initialise();
 		void update();
 		void clean();
-	
+
 		bool initialised();
-	
+
 		ControllerItem getControllerItem(std::string code);
 		ControllerCommand getControllerCommand(int controllerIndex, ControllerItem & item);
 		std::string controllerCommandToString(ControllerCommand com);
-	
+
 	private:
 		InputHandler(){}
 		~InputHandler(){}