build: add tools/gflags to PYTHONPATH

closure_linter needs the gflags module.

PR-URL: https://github.com/iojs/io.js/pull/464
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Makefile

@@ -404,10 +404,10 @@ bench-idle:
 	./$(NODE_EXE) benchmark/idle_clients.js &
 
 jslintfix:
-	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/fixjsstyle.py --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
+	PYTHONPATH=tools/closure_linter/:tools/gflags/ $(PYTHON) tools/closure_linter/closure_linter/fixjsstyle.py --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
 
 jslint:
-	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/gjslint.py --unix_mode --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
+	PYTHONPATH=tools/closure_linter/:tools/gflags/ $(PYTHON) tools/closure_linter/closure_linter/gjslint.py --unix_mode --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
 
 CPPLINT_EXCLUDE ?=
 CPPLINT_EXCLUDE += src/node_dtrace.cc

vcbuild.bat

@@ -195,7 +195,7 @@ goto exit
 
 :jslint
 echo running jslint
-set PYTHONPATH=tools/closure_linter/
+set PYTHONPATH=tools/closure_linter/;tools/gflags/
 python tools/closure_linter/closure_linter/gjslint.py --unix_mode --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
 goto exit