proc: constify status array

No need for this local array to be writable, so mark it const.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/proc/array.c

@@ -131,7 +131,7 @@ static inline void task_name(struct seq_file *m, struct task_struct *p)
  * you can test for combinations of others with
  * simple bit tests.
  */
-static const char *task_state_array[] = {
+static const char * const task_state_array[] = {
 	"R (running)",		/*   0 */
 	"S (sleeping)",		/*   1 */
 	"D (disk sleep)",	/*   2 */
@@ -147,7 +147,7 @@ static const char *task_state_array[] = {
 static inline const char *get_task_state(struct task_struct *tsk)
 {
 	unsigned int state = (tsk->state & TASK_REPORT) | tsk->exit_state;
-	const char **p = &task_state_array[0];
+	const char * const *p = &task_state_array[0];
 
 	BUILD_BUG_ON(1 + ilog2(TASK_STATE_MAX) != ARRAY_SIZE(task_state_array));