Add missing config.h includes

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/hidpp20.c

@@ -29,6 +29,8 @@
  *   https://drive.google.com/folderview?id=0BxbRzx7vEV7eWmgwazJ3NUFfQ28&usp=sharing
  */
 
+#include "config.h"
+
 #include <assert.h>
 #include <errno.h>
 #include <stdbool.h>

src/liblur.c

@@ -23,6 +23,8 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "config.h"
+
 #include <assert.h>
 #include <errno.h>
 #include <stdbool.h>

src/libratbag-hidraw.c

@@ -21,6 +21,8 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "config.h"
+
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>

src/libratbag-util.h

@@ -23,6 +23,8 @@
 
 #pragma once
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>