update name-too-long comment to length 109

lib/optimize/SplitChunksPlugin.js

@@ -167,7 +167,7 @@ module.exports = class SplitChunksPlugin {
 				// Filenames and paths can't be too long otherwise an
 				// ENAMETOOLONG error is raised. If the generated name if too
 				// long, it is truncated and a hash is appended. The limit has
-				// been set to 100 to prevent `[name].[chunkhash].[ext]` from
+				// been set to 109 to prevent `[name].[chunkhash].[ext]` from
 				// generating a 256+ character string.
 				if (name.length > automaticNameMaxLength) {
 					const hashedFilename = hashFilename(name);