When closing a (shared-cache) database connection, be sure to clear out

all KeyInfo objects cached on Index objects.
Fix for ticket [e4a18565a36884b00edf].

FossilOrigin-Name: adca7688de20ff40d8ddf2107dfaf92af3873b83

diff --cc manifest
index 375f1f89b0bf1b2719bec053bc831222daa8753e,48f0747ab82a8ae2f44bfc7f5bb64241a999b3cb..14a2b2330669a5a8de94fb3bb26a64823c4c279d
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\scompiler\swarnings.
- D 2014-12-05T00:32:09.905
 -C Improved\scomment\son\sthe\ssharedB.test\stest\sscript.
 -D 2014-12-05T14:34:30.550
++C When\sclosing\sa\s(shared-cache)\sdatabase\sconnection,\sbe\ssure\sto\sclear\sout\nall\sKeyInfo\sobjects\scached\son\sIndex\sobjects.\s\nFix\sfor\sticket\s[e4a18565a36884b00edf].
++D 2014-12-05T14:44:57.022
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 6c4f961fa91d0b4fa121946a19f9e5eac2f2f809
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1223,7 -1224,7 +1224,7 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 520c2b838da8b230487c8c66f3ba8e5daa1ca886
- R 2f1363efb358b758f4fe53b98d762c1d
 -P ffea3e905adc108d2dc37f5d6da2024f0389f176
++P e9955c0e14d13ba1411f013acb4979958dae2516 71f589e3f82a07513425e212072f32748c0732d4
+ R 2f7d3cb7a2e1e65c7403b8d51d471007
  U drh
- Z 8ac94f0b609313b69c75d4df8f71997e
 -Z 951231dae63f2db1845bdae375b332da
++Z 971c54886e3dd2c38037eed368c93472

diff --cc manifest.uuid
index 0fa8785978fec9b608a3d459db6736401ba5586b,d3a7ef5638c67ebf31fe9a7ffdb746d3f3a900ef..adefef81dc963c534e05dde93756c68d4129c092
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- e9955c0e14d13ba1411f013acb4979958dae2516
 -71f589e3f82a07513425e212072f32748c0732d4
++adca7688de20ff40d8ddf2107dfaf92af3873b83