Dont include unused drm_fourcc.h, include missing unistd.h for _exit

src/main.cpp

@@ -19,6 +19,7 @@ extern "C" {
 #include <map>
 #include <signal.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #include "../include/sound.hpp"