[Mlterm-dev-ja] core dump problem

	荒木です:-)

        領域選択中に core dump することがあるバグを修正するパッチです。
        多分、これで直ってるんじゃないかと思います。

        念のため、手元で再現したときの backtrace も。

	では
        
#0  0x808a577 in ml_term_get_line (term=0x0, row=5)
    at ../../main/mlterm/ml_term.c:481
481             return  ml_screen_get_line( term->screen , row) ;
(gdb) bt
#0  0x808a577 in ml_term_get_line (term=0x0, row=5)
    at ../../main/mlterm/ml_term.c:481
#1  0x8059cd7 in restore_color (p=0x80e3c00, beg_char_index=44, beg_row=5,
    end_char_index=78, end_row=41) at ../../main/xwindow/x_screen.c:5591
#2  0x80620c0 in x_restore_selected_region_color (sel=0x80e3d30)
    at ../../main/xwindow/x_selection.c:406
#3  0x8062179 in x_selected_region_is_changed (sel=0x80e3d30, col=1208738304,
    row=1536, base=135200799) at ../../main/xwindow/x_selection.c:316
#4  0x8059a83 in utf8_selection_notified (win=0x80e3c00, str=0x0, len=4)
    at ../../main/xwindow/x_screen.c:3130
#5  0x804e732 in x_window_manager_clear_selection (win_man=0x80b43a8,
    win=0x80e3c00) at ../../main/xwindow/x_window_manager.c:209
#6  0x804ea36 in x_window_final (win=0x80e3c00)
    at ../../main/xwindow/x_window.c:561
#7  0x804ea02 in x_window_final (win=0x80f5000)
    at ../../main/xwindow/x_window.c:553
#8  0x804e69a in x_window_manager_remove_root (win_man=0x80b43a8,
    root=0x80f5000) at ../../main/xwindow/x_window_manager.c:160
#9  0x806731a in pty_closed (p=0x0, screen=0x80e3c00)
    at ../../main/xwindow/x_term_manager.c:561
#10 0x805a350 in open_xim (xim=0x80e3c00, display=0xbfbfdbc2)
    at ../../main/xwindow/x_xim.c:119
#11 0x808a0f8 in ml_term_delete (term=0x80ba080)
---Type <return> to continue, or q <return> to quit---
    at ../../main/mlterm/ml_term.c:126
#12 0x808d51f in ml_close_dead_terms ()
    at ../../main/mlterm/ml_term_manager.c:245
#13 0x8066ffa in x_term_manager_event_loop ()
    at ../../main/xwindow/x_term_manager.c:2813
#14 0x8063b61 in main (argc=5, argv=0xbfbfd674) at ../../main/xwindow/main.c:60
#15 0x804e340 in ___start ()#0  0x808a577 in ml_term_get_line (term=0x0, row=5)
    at ../../main/mlterm/ml_term.c:481
481             return  ml_screen_get_line( term->screen , row) ;
(gdb) bt
#0  0x808a577 in ml_term_get_line (term=0x0, row=5)
    at ../../main/mlterm/ml_term.c:481
#1  0x8059cd7 in restore_color (p=0x80e3c00, beg_char_index=44, beg_row=5,
    end_char_index=78, end_row=41) at ../../main/xwindow/x_screen.c:5591
#2  0x80620c0 in x_restore_selected_region_color (sel=0x80e3d30)
    at ../../main/xwindow/x_selection.c:406
#3  0x8062179 in x_selected_region_is_changed (sel=0x80e3d30, col=1208738304,
    row=1536, base=135200799) at ../../main/xwindow/x_selection.c:316
#4  0x8059a83 in utf8_selection_notified (win=0x80e3c00, str=0x0, len=4)
    at ../../main/xwindow/x_screen.c:3130
#5  0x804e732 in x_window_manager_clear_selection (win_man=0x80b43a8,
    win=0x80e3c00) at ../../main/xwindow/x_window_manager.c:209
#6  0x804ea36 in x_window_final (win=0x80e3c00)
    at ../../main/xwindow/x_window.c:561
#7  0x804ea02 in x_window_final (win=0x80f5000)
    at ../../main/xwindow/x_window.c:553
#8  0x804e69a in x_window_manager_remove_root (win_man=0x80b43a8,
    root=0x80f5000) at ../../main/xwindow/x_window_manager.c:160
#9  0x806731a in pty_closed (p=0x0, screen=0x80e3c00)
    at ../../main/xwindow/x_term_manager.c:561
#10 0x805a350 in open_xim (xim=0x80e3c00, display=0xbfbfdbc2)
    at ../../main/xwindow/x_xim.c:119
#11 0x808a0f8 in ml_term_delete (term=0x80ba080)
---Type <return> to continue, or q <return> to quit---
    at ../../main/mlterm/ml_term.c:126
#12 0x808d51f in ml_close_dead_terms ()
    at ../../main/mlterm/ml_term_manager.c:245
#13 0x8066ffa in x_term_manager_event_loop ()
    at ../../main/xwindow/x_term_manager.c:2813
#14 0x8063b61 in main (argc=5, argv=0xbfbfd674) at ../../main/xwindow/main.c:60
#15 0x804e340 in ___start ()

--
Araki Ken
ara...@us...