fix typing problem

sokra · sokra · commit ba2f24711670 · 2018-06-06T18:49:20.000+02:00
diff --git a/lib/CaseSensitiveModulesWarning.js b/lib/CaseSensitiveModulesWarning.js
@@ -14,12 +14,12 @@ const WebpackError = require("./WebpackError");
  */
 const sortModules = modules => {
 	return modules.slice().sort((a, b) => {
-		a = a.identifier();
-		b = b.identifier();
+		const aIdent = a.identifier();
+		const bIdent = b.identifier();
 		/* istanbul ignore next */
-		if (a < b) return -1;
+		if (aIdent < bIdent) return -1;
 		/* istanbul ignore next */
-		if (a > b) return 1;
+		if (aIdent > bIdent) return 1;
 		/* istanbul ignore next */
 		return 0;
 	});
