False errors with SASS maps

[raphievila]

• VSCode Version: Code 1.7.1 (02611b4, 2016-11-03T13:53:14.822Z)
• OS Version: Windows_NT ia32 10.0.14393
• Extensions:

Extension	Author	Version
VisualStudioDarkTheme	Adrien	1.0.1
jslint	ajhyndman	1.2.1
vscode-color	anseki	0.2.1
code-runner	formulahendry	0.4.2
composer	ikappas	0.5.0
vscode-tfs	ivangabriele	0.5.2
vscode-scss	mrmlnc	0.5.0
debugger-for-edge	msjsdiag	0.4.1
sass-helper	ramyaraoa	0.0.2
vscode-icons	robertohuertasm	4.0.1
php-formatter	Sophisticode	0.1.3

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Steps to Reproduce:

1. Create a .scss file and use an associative map, for example: $map: (key1: value1, key2: value2);
2. This will be flagged as an error, even though is a proper formatting.

[aeschli]

duplicate of #1758

[raphievila]

Didn't noticed it, thanks pointed it out.