Move xlat/evdev_abs.h inclusion from ioctl.c to evdev.c

Also introduce evdev_abs_size constant, which will be needed later.

* defs.h (evdev_abs_size): New declaration.
* ioctl.c: Move xlat/evdev_abs.h inclusion ...
* evdev.c: ... here.
(evdev_abs_size): New constant variable.

defs.h

@@ -296,6 +296,9 @@ extern const struct xlat ethernet_protocols[];
 extern const size_t ethernet_protocols_size;
 
 extern const struct xlat evdev_abs[];
+/** Number of elements in evdev_abs array without the terminating record. */
+extern const size_t evdev_abs_size;
+
 extern const struct xlat iffflags[];
 extern const struct xlat inet_protocols[];
 extern const struct xlat ip_type_of_services[];

evdev.c

@@ -29,6 +29,8 @@
 
 #include "defs.h"
 
+#include "xlat/evdev_abs.h"
+
 #ifdef HAVE_LINUX_INPUT_H
 
 # include <linux/ioctl.h>
@@ -51,6 +53,8 @@
 #  define SYN_MAX 0xf
 # endif
 
+const size_t evdev_abs_size = ARRAY_SIZE(evdev_abs) - 1;
+
 static int
 abs_ioctl(struct tcb *const tcp, const kernel_ulong_t arg)
 {

ioctl.c

@@ -33,7 +33,6 @@
 #include <linux/ioctl.h>
 #include "xlat/ioctl_dirs.h"
 
-#include "xlat/evdev_abs.h"
 #include "xlat/evdev_ev.h"
 
 static int