kernel/sysctl.c: fix stable merge error in NOMMU mmap_min_addr

Stable commit 0399123f didn't match the
original upstream commit.  The CONFIG_MMU check was added much too early
in the list disabling a lot of proc entries in the process.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

kernel/sysctl.c

@@ -1200,7 +1200,6 @@ static struct ctl_table vm_table[] = {
 		.extra2		= (void *)&hugetlb_infinity,
 	},
 #endif
-#ifdef CONFIG_MMU
 	{
 		.ctl_name	= VM_LOWMEM_RESERVE_RATIO,
 		.procname	= "lowmem_reserve_ratio",
@@ -1346,6 +1345,7 @@ static struct ctl_table vm_table[] = {
 		.strategy	= &sysctl_jiffies,
 	},
 #endif
+#ifdef CONFIG_MMU
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "mmap_min_addr",