Tweak indent string generation slightly to make greggm smile

src/omnisharp/logger.ts

@@ -9,8 +9,8 @@ export class Logger {
     private _writer: (message: string) => void;
     private _prefix: string;
 
-    private _indent: string = '    ';
     private _indentLevel: number = 0;
+    private _indentSize: number = 4;
     private _atLineStart: boolean = false;
 
     constructor(writer: (message: string) => void, prefix?: string) {
@@ -21,8 +21,7 @@ export class Logger {
     private _appendCore(message: string): void {
         if (this._atLineStart) {
             if (this._indentLevel > 0) {
-                const repeatCount = this._indentLevel;
-                const indent = this._indent.repeat(repeatCount);
+                const indent = " ".repeat(this._indentLevel * this._indentSize);
                 this._writer(indent);
             }