Handle a special case of a corrupt changeset in sqlite3changegroup_add().

FossilOrigin-Name: eba625f917935437e3f366197df1c6717c7120ce0418a0cbac1d2024b2235091

diff --cc manifest
index a6cbb0c7679830afd98ec1132a602ce2d23551b1,de76877401056d6faaaf912fb5a943b8f6bbaae8..be8933a7efa386c9ae9d7283ce39efaf9436c9a1
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C In\sRBU\svacuum\scommands,\sdo\sas\sSQLite\sdoes\sand\signore\sany\strailing\sSQL\sstatements\sin\sthe\ssql\scolumn\sof\sthe\ssqlite_schema\stable.
- D 2026-04-14T18:08:30.170
 -C Have\sthe\ssession\smodule\sdetect\ssome\scorrupt\schangesets\searlier.
 -D 2026-04-14T20:17:41.604
++C Handle\sa\sspecial\scase\sof\sa\scorrupt\schangeset\sin\ssqlite3changegroup_add().
++D 2026-04-14T20:18:54.816
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2198,8 -2198,8 +2198,9 @@@ F tool/warnings-clang.sh bbf6a1e685e534
  F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
  F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
- P 5b004348c3ec15a02dd657b3619502b6f8ba1c6f46918108b3de9534622076a0
- R 5a78f3486ec2ef3c0d457d1e4a6e8841
 -P 49b3bac482c831f503c7f90c35959e7ea731950e991baba86b2ab95987d2539b
++P cf7dad1b105ab35cd7180efec735b7cbeaf42b8d53dfec5582b63cd121c3425c 0de91ff0d798cff21289d893cc441b89fc37b051d5cdf611d92d3ae2bc41cdf2
+ R 35d9142b282e68f29f0bd8f4e7936fb8
++T +closed 0de91ff0d798cff21289d893cc441b89fc37b051d5cdf611d92d3ae2bc41cdf2
  U dan
- Z 77a5371b12f9a0b0266c2dba35f30986
 -Z 51eb5cc01bfe87f83b8508470bd3b2ff
++Z 85e063d92e640f95d04b131e43f3abe9
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index d1b84b1daf8223c345ddec755116140c200be786,a0b848bcf6d975c0d93ed640af71b52cf99cae70..c45ce6ad305b5f250c2e2c0eef3ccbd203b7cf30
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- cf7dad1b105ab35cd7180efec735b7cbeaf42b8d53dfec5582b63cd121c3425c
 -0de91ff0d798cff21289d893cc441b89fc37b051d5cdf611d92d3ae2bc41cdf2
++eba625f917935437e3f366197df1c6717c7120ce0418a0cbac1d2024b2235091