[Freeciv-Dev] (PR#4390) plrdlg sdl-client core dump

["Per I. Mathisen" <per@xxxxxxxxxxx>]

I get a core dump with sdl-client whenever I press 'F3', ie open player
dialog. pBuf is NULL.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1077226496 (LWP 16793)]
0x08099f9a in popup_players_dialog () at plrdlg.c:380
380         pBuf->size.x = pWindow->size.x + pWindow->size.w / 2 - r *
cos(b) -
pBuf->size.w / 2;
(gdb) bt
#0  0x08099f9a in popup_players_dialog () at plrdlg.c:380
#1  0x0808c8c6 in players_action_callback (pWidget=0x85778d8) at
mapctrl.c:807
#2  0x0808392a in widget_pressed_action (pWidget=0x85778d8) at
gui_stuff.c:534
#3  0x08082abf in gui_main_loop () at gui_main.c:263
#4  0x08083157 in ui_main (argc=1, argv=0xbfffe994) at gui_main.c:705
#5  0x0804d6ea in main (argc=1, argv=0xbfffe994) at civclient.c:238
#6  0x420156a4 in __libc_start_main () from /lib/tls/libc.so.6

(gdb) p pBuf
$1 = (struct GUI *) 0x0
(gdb) p pWindow
$2 = (struct GUI *) 0x89d66e8

  - Per