Core: Fix some out-of-style includes

src/core/settings.cpp

@@ -6,7 +6,7 @@
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/ir/ir.h"
-#include "settings.h"
+#include "core/settings.h"
 #include "video_core/video_core.h"
 
 #include "core/frontend/emu_window.h"