gui: minor reformatting.

avr/modules/lcd2/gui/base/imagebutton.asm

@@ -22,8 +22,8 @@
 ; @routine ImageButton_new
 ;
 ; @param X       parent
-; @param r16 value for OBJECT_OFFS_OPTS
-; @param r17 value for WIDGET_OFFS_PACK
+; @param r16     value for OBJECT_OFFS_OPTS
+; @param r17     value for WIDGET_OFFS_PACK
 ; @param r21:r20 img ressource
 ; @param r22     selector (target will be parent, can be overridden later)
 ; @param r23     button mode