libbb: fix wrong sscanf count check (affects pidof etc)

diff --git a/libbb/procps.c b/libbb/procps.c
index f67f7dc..8946917 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -258,7 +258,7 @@
 				&sp->start_time,
 				&vsz,
 				&rss);
-			if (n != 10)
+			if (n != 11)
 				break;
 			/* vsz is in bytes and we want kb */
 			sp->vsz = vsz >> 10;