Fix off-by-one in fgets() size

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/init.c b/init.c
index 0ccb185..72ec85d 100644
--- a/init.c
+++ b/init.c
@@ -964,7 +964,7 @@
 			if (is_buf)
 				p = strsep(&file, "\n");
 			else
-				p = fgets(string, 4095, f);
+				p = fgets(string, 4096, f);
 			if (!p)
 				break;
 		}