Updating server dependancies (#6712)

vendor/github.com/prometheus/procfs/Makefile

@@ -1,6 +1,18 @@
-ci:
+ci: fmt lint test
+
+fmt:
 	! gofmt -l *.go | read nothing
 	go vet
-	go test -v ./...
+
+lint:
 	go get github.com/golang/lint/golint
 	golint *.go
+
+test: sysfs/fixtures/.unpacked
+	go test -v ./...
+
+sysfs/fixtures/.unpacked: sysfs/fixtures.tar.gz
+	cd sysfs && tar xzf fixtures.tar.gz
+	touch $@
+
+.PHONY: fmt lint test ci