Fix +image("image/abc.png") being parsed as comment.
Fix +image("image/abc.png") being parsed as comment.

Signed-off-by: Matt Polito <afac09475eec2fd2cb720f770d274d96563affc1@gmail.com>

olistik/ruby-sass-tmbundle,charlesroper/ruby-sass-tmbundle,DanielHeath/ruby-sass-tmbundle