fixed typo

lib/single-file/single-file-core.js

@@ -1208,7 +1208,7 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 											} catch (error) {
 												// ignored
 											}
-											if (token.type == "Url" && DOM.removeQuotes(tokenValue == originalResourceURL) {
+											if (token.type == "Url" && DOM.removeQuotes(tokenValue) == originalResourceURL) {
 												token.value.value = content;
 											}
 										});