build: do not lint src dir for JS errors

There are no JavaScript files in the `src` directory. It can be
safely omitted from the JavaScript linting step.

PR-URL: nodejs#8128
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

Makefile

@@ -671,11 +671,11 @@ bench: bench-net bench-http bench-fs bench-tls
 bench-ci: bench
 
 jslint:
-	$(NODE) tools/jslint.js -J benchmark lib src test tools
+	$(NODE) tools/jslint.js -J benchmark lib test tools
 
 jslint-ci:
 	$(NODE) tools/jslint.js $(PARALLEL_ARGS) -f tap -o test-eslint.tap \
-		benchmark lib src test tools
+		benchmark lib test tools
 
 CPPLINT_EXCLUDE ?=
 CPPLINT_EXCLUDE += src/node_root_certs.h

vcbuild.bat

@@ -351,12 +351,12 @@ if defined jslint_ci goto jslint-ci
 if not defined jslint goto exit
 if not exist tools\eslint\lib\eslint.js goto no-lint
 echo running jslint
-%config%\node tools\jslint.js -J benchmark lib src test tools
+%config%\node tools\jslint.js -J benchmark lib test tools
 goto exit
 
 :jslint-ci
 echo running jslint-ci
-%config%\node tools\jslint.js -J -f tap -o test-eslint.tap benchmark lib src test tools
+%config%\node tools\jslint.js -J -f tap -o test-eslint.tap benchmark lib test tools
 goto exit
 
 :no-lint