Update FuzzedDataProvider.ts

Author: 0xricksanchez

packages/core/FuzzedDataProvider.ts

@@ -383,7 +383,7 @@ export class FuzzedDataProvider {
 		encoding: BufferEncoding | undefined = "ascii"
 	): string {
 		if (maxLength < 0) throw new Error("maxLength must be non-negative");
-		var result;
+		let result;
 		const arrayLength = Math.min(maxLength, this._remainingBytes);
 
 		if (this.printable) {