Fix F23 compilation

add missing headers for fstat and struct stat

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

src/libratbag.c

@@ -30,6 +30,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #include "libratbag-private.h"
 #include "libratbag-util.h"