tweaks: just let do_wrap() set 'refresh_needed' instead of returning TRUE

This gets rid of performing an action in the condition of an 'if'.

src/nano.c

@@ -1465,9 +1465,8 @@ void inject(char *burst, size_t count)
 #endif
 
 #ifdef ENABLE_WRAPPING
-	/* Wrap the line when needed, and if so, schedule a refresh. */
-	if (ISSET(BREAK_LONG_LINES) && do_wrap())
-		refresh_needed = TRUE;
+	if (ISSET(BREAK_LONG_LINES))
+		do_wrap();
 #endif
 
 #ifndef NANO_TINY

src/prototypes.h

@@ -493,7 +493,7 @@ void update_multiline_undo(ssize_t lineno, char *indentation);
 void update_undo(undo_type action);
 #endif /* !NANO_TINY */
 #ifdef ENABLE_WRAPPING
-bool do_wrap(void);
+void do_wrap(void);
 #endif
 #if defined(ENABLE_HELP) || defined(ENABLED_WRAPORJUSTIFY)
 ssize_t break_line(const char *textstart, ssize_t goal, bool snap_at_nl);

src/text.c

@@ -1212,9 +1212,9 @@ void update_undo(undo_type action)
 
 #ifdef ENABLE_WRAPPING
 /* When the current line is overlong, hard-wrap it at the furthest possible
- * whitespace character, and (if possible) prepend the remainder of the line
- * to the next line.  Return TRUE if wrapping occurred, and FALSE otherwise. */
-bool do_wrap(void)
+ * whitespace character, and prepend the excess part to an "overflow" line
+ * (when it already exists, otherwise create one). */
+void do_wrap(void)
 {
 	linestruct *line = openfile->current;
 		/* The line to be wrapped, if needed and possible. */
@@ -1243,7 +1243,7 @@ bool do_wrap(void)
 
 	/* If no wrapping point was found before end-of-line, we don't wrap. */
 	if (wrap_loc < 0 || lead_len + wrap_loc == line_len)
-		return FALSE;
+		return;
 
 	/* Adjust the wrap location to its position in the full line,
 	 * and step forward to the character just after the blank. */
@@ -1251,7 +1251,7 @@ bool do_wrap(void)
 
 	/* When now at end-of-line, no need to wrap. */
 	if (line->data[wrap_loc] == '\0')
-		return FALSE;
+		return;
 
 #ifndef NANO_TINY
 	add_undo(SPLIT_BEGIN, NULL);
@@ -1360,7 +1360,7 @@ bool do_wrap(void)
 	add_undo(SPLIT_END, NULL);
 #endif
 
-	return TRUE;
+	refresh_needed = TRUE;
 }
 #endif /* ENABLE_WRAPPING */