update build string

.drone.sh

@@ -3,7 +3,7 @@
 export now=$(TZ=Australia/Sydney date '+%Y%m%d-%H%M%S')
 echo $now
 echo "build commences"
-go build -ldflags "-X main.sha1ver=`git rev-parse HEAD` -X main.buildTime=$now" -o ucs-exporter
+go build -ldflags "-X main.sha1ver=`git rev-parse HEAD` -X main.buildTime=$now" -o ucs-exporter cmd/server/main.go
 echo "build complete"
 sha256sum ucs-exporter > smt_checksum.txt
 ls -lah