Fix harmless compiler warnings.

FossilOrigin-Name: 59c2be75ff8b8ccd77320b45e4088e5bf456a1d9

diff --cc manifest
index 2c021a017cab3258b9bc06b5aeff4e59c240fb31,fd3d07a71d14633698ccaded5ca6867d37bc159b..05bf29b768ba3be86259262112a7eacf44988be1
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Add\sSQLITE_FCNTL_BUSYHANDLER.\sInvoked\sto\sprovide\saccess\sto\sthe\sbusy-handler\scallback\sto\scustom\sVFS\simplementations.
- D 2012-10-01T18:44:33.687
 -C Fix\sseveral\scompiler\swarnings\sseen\swith\sMSVC.
 -D 2012-10-01T20:12:30.885
++C Fix\sharmless\scompiler\swarnings.
++D 2012-10-01T20:32:38.373
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 5f4f26109f9d80829122e0e09f9cda008fa065fb
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1018,7 -1018,10 +1018,7 @@@ F tool/vdbe-compress.tcl f12c884766bd14
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
  F tool/win/sqlite.vsix 67d8a99aceb56384a81b3f30d6c71743146d2cc9
- P c12044df322283c9deb0d7dacd8a699ac53f27b6
- R d094915a20a7714c82c93282dde9246b
- U dan
- Z a39135b23d456d91a1a24c9caf254ec8
 -P 1262d2f471214a3417dd02159a7aa2355b18f789
++P 1262d2f471214a3417dd02159a7aa2355b18f789 8b5f617c2a5f0bf7bdbd9144aee58d69564db1e2
+ R 0f744c0892eb0257285d51198fe0d093
 -T *branch * msvcWarnings
 -T *sym-msvcWarnings *
 -T -sym-trunk *
 -U mistachkin
 -Z b42d95f34ab630c00d546c5b9df935b7
++U drh
++Z 8e271de1fa8eae3da9424d1b1b2f682e

diff --cc manifest.uuid
index 1a1f385f50fe651b0fcee4b2dd8f7b8a667deea5,a5fb3fa91872d346707b9c3e24a310f34b02df7d..e83a48038b2c21fd72f95e16b45fff3ebe3b7eaa
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 1262d2f471214a3417dd02159a7aa2355b18f789
 -8b5f617c2a5f0bf7bdbd9144aee58d69564db1e2
++59c2be75ff8b8ccd77320b45e4088e5bf456a1d9