net: pktgen: fix code style (ERROR: else should follow close brace '}')

Fix checkpatch code style errors:

  ERROR: else should follow close brace '}'
  kernel-patches#1311: FILE: net/core/pktgen.c:1311:
  +               }
  +               else

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: NipaLocal <nipa@local>

Author: pseiderer

net/core/pktgen.c

@@ -1307,8 +1307,7 @@ static ssize_t pktgen_if_write(struct file *file,
 				put_page(pkt_dev->page);
 				pkt_dev->page = NULL;
 			}
-		}
-		else
+		} else
 			sprintf(pg_result, "ERROR: node not possible");
 		return count;
 	}