Change the designer for rewinder to allow up to 32GB of rayums used

Since the rewinder scales in powers of two, we might want to reconsider how this control works

src/BizHawk.Client.EmuHawk/config/RewindConfig.Designer.cs

@@ -132,7 +132,7 @@
 			// 
 			this.BufferSizeUpDown.Location = new System.Drawing.Point(125, 110);
 			this.BufferSizeUpDown.Maximum = new decimal(new int[] {
-            1024,
+            32768,
             0,
             0,
             0});