Merge printf() width and precision overflow fixes from trunk.

FossilOrigin-Name: aeca95ac77f6f320a916f7e3c5a7a588ef4a20c8

diff --cc manifest
index b10685e1611a178a7240794f9480ca09e181f7e6,aa53c4300707e4239fa7bfe81f3cb95bb9136169..42a45e41f3f4844c51e632057730faafc01112d4
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,9 -1,9 +1,9 @@@
- C Merge\sobscure\sproblem\sfixes\sfrom\strunk.
- D 2015-04-06T12:08:24.946
 -C Avoid\ssigned\sinteger\soverflow\swhen\sconverting\soversized\sin-line\sinteger\nwidths\sand\sprecisions\sin\sprintf().
 -D 2015-04-07T15:39:29.937
++C Merge\sprintf()\swidth\sand\sprecision\soverflow\sfixes\sfrom\strunk.
++D 2015-04-07T23:10:44.364
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 -F Makefile.in 00d12636df7a5b08af09116bcd6c7bfd49b8b3b4
 +F Makefile.in 3083cf0c2bc6618e532b9478ce735bb512322985
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
 -F Makefile.msc a8d817fa486d8c88dfbd19ae6a6567d9d350de39
 +F Makefile.msc ffb3a33f21fcc6f7d4b0cc76a981f62f17c62b24
  F Makefile.vxworks e1b65dea203f054e71653415bd8f96dcaed47858
  F README.md d58e3bebc0a4145e0f2a87994015fdb575a8e866
  F VERSION 319eb1ced4b4d17a67730f2b7b85f15c1346cb60
@@@ -1267,7 -1249,7 +1267,7 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P aea439bdc6d4d3a8568423171abf381843188826 3ad829e50faca538db3abb2afb898b5521550c5c
- R 6129dbea29890bb446b2e1739ab50b2e
 -P 95625ef3adc3c408d67e70f877f390445fbb8292
 -R 5875861747bb686954783d9ce4259b86
++P 271c110bcf5bf2ea7e113dd01dec876a08e3c047 8e4ac2ce24415926247961b00a62425ae85d6ffb
++R e52a83cd9a76eb22e0a9f49afec82395
  U drh
- Z 721c9e42efa32f899b87a4468b9be4bf
 -Z e5281cee406ead55e17262e5bdbb2163
++Z 65d91c87ac07196da2d7921b7b9389b5

diff --cc manifest.uuid
index f9820554b79170d6d82d06ae506174b6adf7a3dc,786af92027c2ea2d35d51155700d3ace8d4c5884..e451de8f37e021a89e17ab58e7036f605d2b39db
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 271c110bcf5bf2ea7e113dd01dec876a08e3c047
 -8e4ac2ce24415926247961b00a62425ae85d6ffb
++aeca95ac77f6f320a916f7e3c5a7a588ef4a20c8