Convert many sqlite3_realloc() calls to sqlite3_realloc64().

FossilOrigin-Name: 88dce64242552e7443d9fb496f6f3ad71dc5b4a882ce21b7ef1d5ea4e26f1e61

diff --cc manifest
index 916a00bf8928c7dcde591eda6f7f1d25094344e5,4784346c195e5e39d687be6be8a7b5ce8728cb84..4dd41bd07e3be6e8f0187893c3f58b560e192077
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Omit\sexplain_i\scalls\sfrom\sTCL\stest\sscripts.
- D 2026-03-02T16:40:16.246
 -C Change\ssome\ssqlite3_realloc()\scalls\sinto\ssqlite3_realloc64().
 -D 2026-03-02T15:06:59.535
++C Convert\smany\ssqlite3_realloc()\scalls\sto\ssqlite3_realloc64().
++D 2026-03-02T17:11:44.720
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2188,8 -2188,11 +2188,9 @@@ F tool/warnings-clang.sh bbf6a1e685e534
  F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
  F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
- P 0596bd508f0bc548158858a1dc113af2235d02632ce8c41cd27d1029e1a7e48d
- R 09fb7350cf7b99eaff61319652331acd
 -P 213b1c6608af4b3e9d6e0d8de6432cc6857931427baf4beac1e0a4294e4dc6ce
 -R 692cefb01f40a202a11e71cff4bf7ea9
 -T *branch * realloc64
 -T *sym-realloc64 *
 -T -sym-trunk *
++P 204f25c882832058c3291d4d6a0a6ac2711c081cb91b19feb2cf94a25ed61ecf a391f5646926787fd9a004225ea406b61d20f282c852c0282fd26cada644b601
++R fd09c97895a4cac92ff79c9e4e8d0ece
++T +closed a391f5646926787fd9a004225ea406b61d20f282c852c0282fd26cada644b601
  U drh
- Z ef9eec11b410335060f4678d866b0a03
 -Z a67612dc8e1ea9af8ba17382f23457df
++Z f2554e3cff169f1dfd8e4679b455ef58
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index e72b7081fbde395d83adfb2d858c64e510fa8c12,9d848078c2a89d8f3cb3e55f50f645a75c732c8b..1ae350648d7783bd8ce51722f674bf334e993e41
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 204f25c882832058c3291d4d6a0a6ac2711c081cb91b19feb2cf94a25ed61ecf
 -a391f5646926787fd9a004225ea406b61d20f282c852c0282fd26cada644b601
++88dce64242552e7443d9fb496f6f3ad71dc5b4a882ce21b7ef1d5ea4e26f1e61