Add chrome/browser/resources/settings_internal to .gitignore

BUG=none
TBR=stip@chromium.org

Review URL: https://codereview.chromium.org/23601022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221730 0039d316-1c4b-4281-b951-d872f2087c98

.gitignore

@@ -70,6 +70,7 @@ v8.log
 /chrome/browser/intents/internal/
 /chrome/browser/performance_monitor/performance_monitor.xml
 /chrome/browser/protector/internal
+/chrome/browser/resources/settings_internal/
 /chrome/browser/resources/software_rendering_list
 /chrome/browser/search_engines/prepopulated_engines.xml
 /chrome/browser/spellchecker/internal