nommu: fix typo vma->pg_off to vma->vm_pgoff

6260a4b0521a41189b2c2a8119096c1e21dbdf2c ("/proc/pid/maps: don't show
pgoff of pure ANON VMAs" had a typo.

fs/proc/task_nommu.c:138: error: 'struct vm_area_struct' has no member named 'pg_off'
distcc[21484] ERROR: compile fs/proc/task_nommu.c on sprygo/32 failed

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/proc/task_nommu.c

@@ -135,7 +135,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
 		struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
 		dev = inode->i_sb->s_dev;
 		ino = inode->i_ino;
-		pgoff = (loff_t)vma->pg_off << PAGE_SHIFT;
+		pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
 	}
 
 	seq_printf(m,