installation/automation-script.sh: Fix a bug.

installation/automation-script.sh

@@ -66,6 +66,7 @@ sed "${CONF_REFEX}" ${MCA_CONF_PATH}/flb.conf.in > ${MCA_CONF_PATH}/flb.conf
 ### SCAN THE DESIRED DIRECTORIES
 BINARY=${MCA_PATH}/bin/metadata-collect-agent
 FLB=${FLB_PATH}/bin/fluent-bit
+FLB_PLUGIN=${FLB_PATH}/lib/libfluentbit_wendelin.so
 FLB_CONF=${FLB_PATH}/etc/flb.conf
 LOG=/var/log/metadata_collect.log