Move dynamic menu item allocation onto stack.

[nopjne]

Fixes an issue with ingame retro-go menu causing an out of memory BSOD.

2 0x08101948 in abort () at Core/Src/main.c:204

3 0x08112aa8 in __assert_func ()

...

7 0x081135b0 in _malloc_r ()

8 0x08109b92 in rg_alloc (size=size@entry=1536, caps=caps@entry=0) at Core/Src/porting/gw_alloc.c:36

9 0x08106a74 in odroid_overlay_draw_dialog (header=0x811641c "Retro-Go", options=0x2001f98c, sel=0)

at Core/Src/porting/odroid_overlay.c:234

10 0x08106d08 in odroid_overlay_dialog (header=header@entry=0x811641c "Retro-Go", options=options@entry=0x2001f98c,

selected=selected@entry=0) at Core/Src/porting/odroid_overlay.c:308

11 0x08107370 in odroid_overlay_game_menu (extra_options=extra_options@entry=0x2001fa98) at Core/Src/porting/odroid_overlay.c:668

12 0x08105bf6 in common_emu_input_loop (joystick=joystick@entry=0x2001fa78, game_options=game_options@entry=0x2001fa98)

at Core/Src/porting/common.c:256

13 0x2405c8f4 in osd_getinput () at Core/Src/porting/nes/main_nes.c:434

14 0x2406b90e in nes_emulate () at retro-go-stm32/nofrendo-go/components/nofrendo/nes/nes.c:96

15 0x2405cd98 in nofrendo_start (filename=0x811992c "NFL Football (U) ", region=1, sample_rate=sample_rate@entry=48000,

stereo=stereo@entry=false) at Core/Src/porting/nes/nofrendo_stm32.c:106

16 0x2405cc8e in app_main_nes (load_state=, start_paused=) at Core/Src/porting/nes/main_nes.c:568

17 0x0810abdc in emulator_start (file=file@entry=0x811e724 <nes_roms+14000>, load_state=load_state@entry=true,

start_paused=start_paused@entry=false) at Core/Src/retro-go/rg_emulators.c:401

18 0x0810ac94 in emulator_show_file_menu (file=0x811e724 <nes_roms+14000>) at Core/Src/retro-go/rg_emulators.c:359

19 0x0810acfe in event_handler (event=, tab=0x2000cec4) at Core/Src/retro-go/rg_emulators.c:76

20 0x0810a348 in retro_loop () at Core/Src/retro-go/rg_main.c:408

21 0x0810a42e in app_main () at Core/Src/retro-go/rg_main.c:458

22 0x08102494 in main () at Core/Src/main.c:499