remove trailing whitespace

lib/libedit/src/prompt.h

@@ -48,7 +48,7 @@ typedef struct el_prompt_t {
 	el_pfunc_t	p_func;		/* Function to return the prompt */
 	coord_t		p_pos;		/* position in the line after prompt */
 	Char		p_ignore;	/* character to start/end literal */
-	int		p_wide;	
+	int		p_wide;
 } el_prompt_t;
 
 protected void	prompt_print(EditLine *, int);