When searching the wal file for a frame, do not search that part that was already...

FossilOrigin-Name: a84cf4f5d326270a61faf4ff867260f2dd1e68a6

diff --cc manifest
index d07b325859c4516fa51edf27b965e6d2d2dbc786,73cabf2fc4f3dc82d77cc89ec1954bc469530c84..ae51413a308313cb998fb982e1024a3a82c90a80
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Add\sthe\sjson_check()\sfunction,\swhich\sreturns\sits\sargument\sif\sthe\sargument\nis\swell-formed\sJSON\sor\swhich\sthrows\san\serror\sotherwise.
- D 2015-08-28T03:48:04.807
 -C Merge\slatest\strunk\sinto\sthis\sbranch.
 -D 2015-08-28T15:50:24.380
++C When\ssearching\sthe\swal\sfile\sfor\sa\sframe,\sdo\snot\ssearch\sthat\spart\sthat\swas\salready\scheckpointed\swhen\sthe\stransaction\swas\sopened.
++D 2015-08-28T16:18:45.828
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in e2218eb228374422969de7b1680eda6864affcef
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1380,7 -1380,7 +1380,7 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 44f103d8862abc2d5613bac04dc2ea8e625b1f40
- R 204205d2daf18b22608467b1b10a8a77
- U drh
- Z 4f534e8322ceee4fbcec765d09d17add
 -P 90760e72327eb0593cbfa6d7058b554198cd8044 64abb65d4df11e5b3bcc4afc8e7c18e907c6080a
++P 64abb65d4df11e5b3bcc4afc8e7c18e907c6080a ab93024da7bd577d8850b417aff8597a8b3807fc
+ R 3ba2e96fe96df838d1a765a1a1eb0bee
+ U dan
 -Z 02ca44698a97dd7951c000949bcfadcd
++Z e63e6f4df8bd62c2964d64d0b85672a7

diff --cc manifest.uuid
index 49f83f8b9f23a79d94a4866dc6b3aca1357d38df,789cc4977241a75dc3c9b1ccc492439d9cfb62ef..f8e9087de28bfaffe7873f007038c4f9ffe88e9e
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 64abb65d4df11e5b3bcc4afc8e7c18e907c6080a
 -ab93024da7bd577d8850b417aff8597a8b3807fc
++a84cf4f5d326270a61faf4ff867260f2dd1e68a6