Description of problem:
csslint runs forever even for simple files.

Version-Release number of selected component (if applicable):
csslint-0.9.10-1.fc19.noarch.rpm

How reproducible:
Every time

Steps to Reproduce:
1. Create a CSS file:
cat > xxx.css << "EOF"
.xxx {
    font-size: 125%;
}
EOF
2. Run csslint on it:
csslint xxx.css

Actual results:
csslint hangs

Expected results:
csslint should finish

Additional info:
Other packages installed:
 - java-1.7.0-openjdk-1.7.0.25-2.3.12.4.fc19.x86_64.rpm
 - rhino-1.7R4-4.fc19.noarch.rpm

syntastic-css is affected by this.  Saving a CSS file in vim makes it go
ballistic.