Even more includes

Expand the modulemap to cover some of the system headers too.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

src/compton.h

@@ -2,33 +2,16 @@
 // Copyright (c)
 
 // Throw everything in here.
-
+// !!! DON'T !!!
 
 // === Includes ===
 
-#include <math.h>
-#include <sys/select.h>
-#include <limits.h>
-#include <unistd.h>
-#include <getopt.h>
+#include <stdlib.h>
+#include <stdbool.h>
 #include <locale.h>
-#include <signal.h>
-
-#ifdef CONFIG_VSYNC_DRM
-#include <fcntl.h>
-// We references some definitions in drm.h, which could also be found in
-// /usr/src/linux/include/drm/drm.h, but that path is probably even less
-// reliable than libdrm
-#include <drm.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#endif
+#include <xcb/xproto.h>
 
 #include <X11/Xutil.h>
-#include <pixman.h>
-#ifdef CONFIG_OPENGL
-#include "opengl.h" // XXX clean up
-#endif
 #include "common.h"
 #include "win.h"
 #include "x.h"
@@ -39,6 +22,7 @@
 #include "types.h"
 #include "utils.h"
 #include "render.h"
+#include "config.h"
 
 // == Functions ==
 // TODO move static inline functions that are only used in compton.c, into