Less restricitive check for what can be before var(

Author: Poetro

lib/resolve-value.js

@@ -20,7 +20,7 @@ function balancedVar(value) {
 	var match = balanced('(', ')', value)
 	if (match) {
 		// Check if it was prepended with var
-		if (/(?:^|\s)var$/.test(match.pre)) {
+		if (/(?:^|[^\w-])var$/.test(match.pre)) {
 			// Remove the var from the end of pre
 			return {
 				pre: match.pre.slice(0, -3),