Fix one-off pasting text in rofi.

Changelog

@@ -7,6 +7,7 @@
 		- Add Ctrl(Shift)Tab to switch modi's.
 		- Auto size number of columns based on available columns.
 		- Better way to determine font height.
+		- One-off when pasting text.
 	Cleanup:
 		- Do not lug argc,argv around everywhere.
 

source/rofi.c

@@ -916,7 +916,7 @@ static void menu_paste ( MenuState *state, XSelectionEvent *xse )
             }
             // Insert string move cursor.
             textbox_insert ( state->text, state->text->cursor, text );
-            textbox_cursor ( state->text, state->text->cursor + dl - 1 );
+            textbox_cursor ( state->text, state->text->cursor + dl  );
             // Force a redraw and refiltering of the text.
             state->update   = TRUE;
             state->refilter = TRUE;