Never include wayland-util.h directly

And fix a missing "" to <> conversion for wayland-client.h include.
diff --git a/clients/gears.c b/clients/gears.c
index 1f3ab7d..bc85f54 100644
--- a/clients/gears.c
+++ b/clients/gears.c
@@ -36,7 +36,6 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-#include "wayland-util.h"
 #include <wayland-client.h>
 
 #include "window.h"
diff --git a/clients/resizor.c b/clients/resizor.c
index ede9429..c3d0327 100644
--- a/clients/resizor.c
+++ b/clients/resizor.c
@@ -27,7 +27,6 @@
 #include <cairo.h>
 #include <math.h>
 
-#include "wayland-util.h"
 #include <wayland-client.h>
 
 #include "window.h"
diff --git a/clients/terminal.c b/clients/terminal.c
index df2f8c7..8651073 100644
--- a/clients/terminal.c
+++ b/clients/terminal.c
@@ -36,7 +36,6 @@
 
 #include <X11/keysym.h>
 
-#include "wayland-util.h"
 #include <wayland-client.h>
 
 #include "window.h"
diff --git a/clients/view.c b/clients/view.c
index f5f8841..9d8a99f 100644
--- a/clients/view.c
+++ b/clients/view.c
@@ -37,7 +37,6 @@
 #include <glib/poppler-document.h>
 #include <glib/poppler-page.h>
 
-#include "wayland-util.h"
 #include <wayland-client.h>
 
 #include "window.h"
diff --git a/clients/window.c b/clients/window.c
index db48a39..1e317c7 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -50,7 +50,6 @@
 #include <X11/extensions/XKBcommon.h>
 
 #include <linux/input.h>
-#include "wayland-util.h"
 #include <wayland-client.h>
 #include "cairo-util.h"
 
diff --git a/clients/wscreensaver-glue.h b/clients/wscreensaver-glue.h
index 74c9e5c..e07915f 100644
--- a/clients/wscreensaver-glue.h
+++ b/clients/wscreensaver-glue.h
@@ -43,7 +43,6 @@
 #include <GL/gl.h>
 #include <GL/glu.h>
 
-#include "wayland-util.h"
 #include "window.h"
 
 #define ENTRYPOINT static
diff --git a/clients/wscreensaver.c b/clients/wscreensaver.c
index 6070c5d..f00741e 100644
--- a/clients/wscreensaver.c
+++ b/clients/wscreensaver.c
@@ -32,8 +32,7 @@
 #include <GL/gl.h>
 #include <EGL/eglext.h>
 
-#include "wayland-util.h"
-#include "wayland-client.h"
+#include <wayland-client.h>
 
 #include "window.h"
 
diff --git a/compositor/compositor.h b/compositor/compositor.h
index 30fb5cb..b66903a 100644
--- a/compositor/compositor.h
+++ b/compositor/compositor.h
@@ -26,7 +26,6 @@
 #include <libudev.h>
 #include <pixman.h>
 #include <wayland-server.h>
-#include "wayland-util.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>