Fix a problem with reading wal mode databases from UNC shares on windows introduced...

FossilOrigin-Name: f341e7812984b41acd7dd2dd795a1716a8826af4326578dcdf7d7fdd55124ceb

diff --cc manifest
index 4c4c8fb5fd1b8681375db62a98590db06ef9e133,7f2a9ba7e5d02dd2a531006b9a00cbf9baf75ee1..92e539fb64c14604ffdc3bcdc5e25cb4dbd74801
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C The\soff-by-one\sfix\sat\s[3e627d66ebdef8df]\sis\sinsufficient.\s\sAn\sindex\ncan\shold\stwice\sas\smany\scolumns\sas\sa\stable,\sif\sthe\stable\sis\sa\sWITHOUT\sROWID\ntable.\s\sThe\slimit\sshould\sbe\stwice\sthe\smaximum,\snot\sjust\sone\smore\sthan\sthe\nmaximum.\s\sProblem\sdiscovered\sby\sOSSFuzz.
- D 2025-08-11T13:17:10.528
 -C Fix\sa\sproblem\sbuilding\stestfixture\son\snon\sSQLITE_OS_WIN\splatforms.
 -D 2025-08-12T18:57:02.694
++C Fix\sa\sproblem\swith\sreading\swal\smode\sdatabases\sfrom\sUNC\sshares\son\swindows\sintroduced\sby\s[e88212b10a7829ff].
++D 2025-08-12T19:02:48.857
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2169,8 -2169,8 +2169,8 @@@ F tool/version-info.c 3b36468a90faf1bbd
  F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
  F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 6711110b1c7589311f012deee4d4dd5b771fa44ad328b471c9ef583960795199
- R ffd1b43def206d8533a9903db4ae6946
- U drh
- Z 06d9bb457d494361f7d646119e184d0a
 -P 5c0202d96c3a20a2cbcd38eba5e62371606894a0cbc2da4f60e10a1b5fa7bd04
 -R 57aa9619c0758306406e2ed77b97a234
++P a836126bbec5c14432ed7fc7e9e6f8ebcd5dd1116d3ac8a9a0d25c8f62cc51fe 9e6fa73467892eb2333c0a94ca38b66b7cc0432326de93ff131ecde4c165114e
++R 18674a1a51901a5d53c84c6dfa4ba3a6
+ U dan
 -Z c231b421c1351ad11aaf295d66bfc2c6
++Z 42097e4404b87bcc5b9a7240b577b022
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index c2faaa78fde8772e98e1ad170210580c2967e1d8,7b908107b19eb691d0269114c0d565f744f63c36..a3ac013ed63e250d096f221e0cf9fd4d5b415138
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- a836126bbec5c14432ed7fc7e9e6f8ebcd5dd1116d3ac8a9a0d25c8f62cc51fe
 -9e6fa73467892eb2333c0a94ca38b66b7cc0432326de93ff131ecde4c165114e
++f341e7812984b41acd7dd2dd795a1716a8826af4326578dcdf7d7fdd55124ceb