fixed up library header

src/slop.cpp

+#include <chrono>
+#include <thread>
+
+#include "slopstates.hpp"
+#include "mouse.hpp"
+#include "resource.hpp"
+#include "keyboard.hpp"
+
+#include "window.hpp"
+#include "shader.hpp"
+#include "framebuffer.hpp"
+#include "glrectangle.hpp"
+#include "xshaperectangle.hpp"
 #include "slop.hpp"
 
 X11* x11;

src/slop.hpp

 #define N_SLOP_H_
 
 #include <string>
-#include <chrono>
-#include <thread>
-
-#include "slopstates.hpp"
-#include "mouse.hpp"
-#include "resource.hpp"
-#include "keyboard.hpp"
-
-#include "window.hpp"
-#include "shader.hpp"
-#include "framebuffer.hpp"
-#include "glrectangle.hpp"
-#include "xshaperectangle.hpp"
 
 class SlopOptions {
 public: