fix makefile

Signed-off-by: Markus Blaschke <mblaschke82@gmail.com>

Author: mblaschke

Makefile

@@ -51,7 +51,7 @@ gosec: $(GOSEC_BIN)
 	$(GOSEC_BIN) ./...
 
 $(GOLANGCI_LINT_BIN):
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(FIRST_GOPATH)/bin
 
 $(GOSEC_BIN):
 	curl -sfL https://raw.githubusercontent.com/securego/gosec/master/install.sh | sh -s -- -b $(FIRST_GOPATH)/bin