powerpc/idle: Convert use of typedef ctl_table to struct ctl_table

This typedef is unnecessary and should just be removed.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/kernel/idle.c

@@ -85,7 +85,7 @@ int powersave_nap;
 /*
  * Register the sysctl to set/clear powersave_nap.
  */
-static ctl_table powersave_nap_ctl_table[]={
+static struct ctl_table powersave_nap_ctl_table[] = {
 	{
 		.procname	= "powersave-nap",
 		.data		= &powersave_nap,
@@ -95,7 +95,7 @@ static ctl_table powersave_nap_ctl_table[]={
 	},
 	{}
 };
-static ctl_table powersave_nap_sysctl_root[] = {
+static struct ctl_table powersave_nap_sysctl_root[] = {
 	{
 		.procname	= "kernel",
 		.mode		= 0555,