Add missing caption on preview checkbox

lazpaint/dialog/filter/utwirl.lfm

@@ -105,6 +105,7 @@ object FTwirl: TFTwirl
     Height = 19
     Top = 183
     Width = 130
+    Caption = 'rsPreview'
     Checked = True
     OnChange = CheckBox_PreviewChange
     State = cbChecked

lazpaint/dialog/filter/utwirl.lrj

@@ -2,6 +2,7 @@
 {"hash":6021260,"name":"tftwirl.caption","sourcebytes":[84,119,105,114,108],"value":"Twirl"},
 {"hash":129024186,"name":"tftwirl.label_radius.caption","sourcebytes":[82,97,100,105,117,115,32,58],"value":"Radius :"},
 {"hash":139339642,"name":"tftwirl.label_angle.caption","sourcebytes":[65,110,103,108,101,32,58],"value":"Angle :"},
+{"hash":126662215,"name":"tftwirl.checkbox_preview.caption","sourcebytes":[114,115,80,114,101,118,105,101,119],"value":"rsPreview"},
 {"hash":497723,"name":"tftwirl.button_ok.caption","sourcebytes":[114,115,79,75],"value":"rsOK"},
 {"hash":127421996,"name":"tftwirl.button_cancel.caption","sourcebytes":[114,115,67,97,110,99,101,108],"value":"rsCancel"}
 ]}