tweaks: rename a function, to better state what it does

src/nano.c

@@ -2696,8 +2696,8 @@ int main(int argc, char **argv)
 		errno = 0;
 		focusing = TRUE;
 
-		/* Forget any earlier statusbar x position. */
-		reinit_statusbar_x();
+		/* Forget any earlier cursor position at the prompt. */
+		put_cursor_at_end_of_answer();
 
 		/* Read in and interpret keystrokes. */
 		do_input(TRUE);

src/prompt.c

@@ -378,7 +378,7 @@ size_t get_statusbar_page_start(size_t base, size_t column)
 }
 
 /* Reinitialize the cursor position in the answer. */
-void reinit_statusbar_x(void)
+void put_cursor_at_end_of_answer(void)
 {
 	typing_x = HIGHEST_POSITIVE;
 }

src/proto.h

@@ -462,7 +462,7 @@ void do_statusbar_next_word(void);
 void do_statusbar_verbatim_input(void);
 size_t statusbar_xplustabs(void);
 size_t get_statusbar_page_start(size_t start_col, size_t column);
-void reinit_statusbar_x(void);
+void put_cursor_at_end_of_answer(void);
 void add_or_remove_pipe_symbol_from_answer(void);
 int do_prompt(bool allow_tabs, bool allow_files,
 		int menu, const char *curranswer, filestruct **history_list,