ZAPD fixes in sys_initial_check, update subrepos (#507)

* git subrepo pull --force tools/ZAPD

subrepo:
  subdir:   "tools/ZAPD"
  merged:   "a3363333d"
upstream:
  origin:   "https://github.com/zeldaret/ZAPD.git"
  branch:   "master"
  commit:   "a3363333d"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

* git subrepo pull tools/asm-differ --force

subrepo:
  subdir:   "tools/asm-differ"
  merged:   "70c33cc12"
upstream:
  origin:   "https://github.com/simonlindholm/asm-differ.git"
  branch:   "main"
  commit:   "70c33cc12"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

* git subrepo pull (merge) tools/z64compress --force

subrepo:
  subdir:   "tools/z64compress"
  merged:   "ac5b1a0d0"
upstream:
  origin:   "https://github.com/z64me/z64compress.git"
  branch:   "main"
  commit:   "ac5b1a0d0"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

* Use defines for texture sizes in sys_initial_check

* Update extract_assets.py

* Add null check

* git subrepo pull --force tools/ZAPD

subrepo:
  subdir:   "tools/ZAPD"
  merged:   "50242eca9"
upstream:
  origin:   "https://github.com/zeldaret/ZAPD.git"
  branch:   "master"
  commit:   "50242eca9"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

tools/ZAPD/ZAPDUtils/Utils/MemoryStream.cpp

@@ -1,5 +1,5 @@
 #include "MemoryStream.h"
-#include <string.h>
+#include <cstring>
 
 #ifndef _MSC_VER
 #define memcpy_s(dest, destSize, source, sourceSize) memcpy(dest, source, destSize)