build: fail linter if linting not available

PR-URL: https://github.com/nodejs/node/pull/13658
Ref: https://github.com/nodejs/node/pull/13645#issuecomment-308100452
Reviewed-By: João Reis <reis@janeasystems.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

Makefile

@@ -924,6 +924,7 @@ lint:
 	@echo "Linting is not available through the source tarball."
 	@echo "Use the git repo instead:" \
 		"$ git clone https://github.com/nodejs/node.git"
+	exit 1
 
 lint-ci: lint
 endif

vcbuild.bat

@@ -485,7 +485,7 @@ goto exit
 :no-lint
 echo Linting is not available through the source tarball.
 echo Use the git repo instead: $ git clone https://github.com/nodejs/node.git
-goto exit
+exit /b 1
 
 :create-msvs-files-failed
 echo Failed to create vc project files.