seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char

Allow some seq_puts removals by taking a string instead of a single
char.

[akpm@linux-foundation.org: update vmstat_show(), per Joe]
Link: http://lkml.kernel.org/r/667e1cf3d436de91a5698170a1e98d882905e956.1470704995.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Joe Perches <joe@perches.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 8857e0e..604f26a 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1515,7 +1515,7 @@
 	unsigned long off = l - (unsigned long *)m->private;
 
 	seq_puts(m, vmstat_text[off]);
-	seq_put_decimal_ull(m, ' ', *l);
+	seq_put_decimal_ull(m, " ", *l);
 	seq_putc(m, '\n');
 	return 0;
 }