FluidWaveform delete temp file

delete it right away instead of on close

release-packaging/Classes/FluidWaveform.sc

@@ -21,10 +21,9 @@ FluidWaveform {
 			sfv.readFile(SoundFile(path));
 			sfv.gridOn_(false);
 
-			win.onClose_({
-				File.delete(path)
-			});
+			File.delete(path);
 
+			if(slices_buf.notNil,{
 				slices_buf.loadToFloatArray(action:{
 					arg slices_fa;
 
@@ -38,9 +37,10 @@ FluidWaveform {
 							Pen.stroke;
 						};
 					});
+				});
+			});
 
 			win.front;
-			});
 		}.play(AppClock);
 	}
 }