Fix accidently empty lines in meminfo_linux (#1671)
Fix accidently empty lines in meminfo_linux (#1671)

* Fix accidently empty lines in meminfo_linux

Signed-off-by: qwertysun <0a72c74372b6abcc70e7da71f763460a9445916a@tencent.com>
siavashs/node_exporter,prometheus/node_exporter,prometheus/node_exporter,siavashs/node_exporter,siavashs/node_exporter,prometheus/node_exporter,siavashs/node_exporter