Please attach the (next version of) the patch as .patch to the ticket (of you
use mail, attaching the .patch to the mail might work as well).

I applied this manually but build failed:


...
mv -f lvledit/.deps/freedroidRPG-lvledit_widgets.Tpo
lvledit/.deps/freedroidRPG-lvledit_widgets.Po
gcc -DHAVE_CONFIG_H -I. -I..    -I../lua -g -O2  -Wall -Wno-format-zero-length 
-DFD_DATADIR='"/usr/local/share/freedroidrpg"' -fsanitize=address
-fno-omit-frame-pointer -ffast-math -I/usr/include/SDL -D_GNU_SOURCE=1
-D_REENTRANT  -MT mapgen/freedroidRPG-mapgen.o -MD -MP -MF
mapgen/.deps/freedroidRPG-mapgen.Tpo -c -o mapgen/freedroidRPG-mapgen.o `test -f
'mapgen/mapgen.c' || echo './'`mapgen/mapgen.c
mapgen/mapgen.c: In function ‘mapgen_convert’:
mapgen/mapgen.c:470:3: warning: implicit declaration of function ‘assert’
[-Wimplicit-function-declaration]
   assert(i < di->num_rooms);
   ^
mv -f mapgen/.deps/freedroidRPG-mapgen.Tpo mapgen/.deps/freedroidRPG-mapgen.Po
...
uct_internal.o freedroidRPG-string.o freedroidRPG-pathfinder.o
freedroidRPG-benchmark.o freedroidRPG-npc.o freedroidRPG-obstacle_extension.o
freedroidRPG-quest_browser_ui.o freedroidRPG-map_label.o freedroidRPG-faction.o
freedroidRPG-waypoint.o freedroidRPG-obstacle.o widgets/freedroidRPG-widgets.o
widgets/freedroidRPG-widget_button.o widgets/freedroidRPG-widget_group.o
widgets/freedroidRPG-widget_text.o widgets/freedroidRPG-widget_background.o
widgets/freedroidRPG-widget_text_list.o freedroidRPG-game_ui.o
freedroidRPG-pngfuncs.o lvledit/freedroidRPG-lvledit.o
lvledit/freedroidRPG-lvledit_actions.o lvledit/freedroidRPG-lvledit_display.o
lvledit/freedroidRPG-lvledit_beautify_actions.o
lvledit/freedroidRPG-lvledit_input.o lvledit/freedroidRPG-lvledit_enemy.o
lvledit/freedroidRPG-lvledit_map.o lvledit/freedroidRPG-lvledit_menu.o
lvledit/freedroidRPG-lvledit_validator.o
lvledit/freedroidRPG-lvledit_object_lists.o lvledit/freedroidRPG-lvledit_tools.o
lvledit/freedroidRPG-lvledit_tool_move.o
lvledit/freedroidRPG-lvledit_tool_place.o
lvledit/freedroidRPG-lvledit_tool_select.o
lvledit/freedroidRPG-lvledit_widget_map.o
lvledit/freedroidRPG-lvledit_widget_toolbar.o
lvledit/freedroidRPG-lvledit_widget_categoryselect.o
lvledit/freedroidRPG-lvledit_widget_minimap.o
lvledit/freedroidRPG-lvledit_widgets.o mapgen/freedroidRPG-mapgen.o
mapgen/freedroidRPG-gram_simple.o freedroidRPG-animate.o
mapgen/freedroidRPG-themes.o ../lua/liblua.a  -lvorbis -logg -lSDL_mixer
-lSDL_gfx -lSDL_image -lpng -lz -ljpeg -lm  -L/usr/lib -lSDL -lpthread -lGL  -lm
mapgen/freedroidRPG-mapgen.o: In function `mapgen_convert':
/home/matthias/vcs/git/freedroid/src/mapgen/mapgen.c:470: undefined reference to
`assert'
collect2: error: ld returned 1 exit status
make[2]: *** [freedroidRPG] Error 1
make[2]: Leaving directory `/home/matthias/vcs/git/freedroid/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/matthias/vcs/git/freedroid'
make: *** [all] Error 2