Change preserveAtRulesOrder default to true

Author: patmead

lib/resolve-decl.js

@@ -73,7 +73,7 @@ function eachMapItemDependencyOfDecl(variablesUsedList, map, decl, cb) {
 // Also add in any media queries that change the value as necessary
 function resolveDecl(decl, map, /*optional*/shouldPreserve, /*optional*/logResolveValueResult, /*optional*/preserveAtRulesOrder) {
 	shouldPreserve = shouldPreserve || false;
-	preserveAtRulesOrder = preserveAtRulesOrder || false;
+	preserveAtRulesOrder = preserveAtRulesOrder !== undefined ? preserveAtRulesOrder : true;
 
 	// Make it chainable
 	var _logResolveValueResult = function(valueResults) {