[Freeciv-Dev] (PR#15221) tooltips leak in GTK options dialog

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=15221 >

==1743== 2,270 (1,556 direct, 714 indirect) bytes in 3 blocks are 
definitely lost in loss record 138 of 176
==1743==    at 0x401C6FC: calloc (vg_replace_malloc.c:279)
==1743==    by 0x46220DB: g_malloc0 (in /usr/lib/libglib-2.0.so.0.800.5)
==1743==    by 0x45DF048: g_type_create_instance (in 
/usr/lib/libgobject-2.0.so.0.800.5)
==1743==    by 0x45C4770: (within /usr/lib/libgobject-2.0.so.0.800.5)
==1743==    by 0x45C4DF4: g_object_newv (in 
/usr/lib/libgobject-2.0.so.0.800.5)
==1743==    by 0x45C599D: g_object_new_valist (in 
/usr/lib/libgobject-2.0.so.0.800.5)
==1743==    by 0x45C5B16: g_object_new (in 
/usr/lib/libgobject-2.0.so.0.800.5)
==1743==    by 0x4215414: gtk_tooltips_new (gtktooltips.c:132)
==1743==    by 0x814D819: create_option_dialog (gamedlgs.c:472)
==1743==    by 0x814DB9E: popup_option_dialog (gamedlgs.c:536)
==1743==    by 0x8135F93: game_menu_callback (menu.c:208)
==1743==    by 0x414C3C7: ??? (gtkitemfactory.c:236)

To reproduce: just open and close the options dialog a bit.

-jason