Compiler-warning fixes in the sqldiff.exe utility.

FossilOrigin-Name: 64d13339d44d1b7ec6768a33421f2138cb7872d8

diff --cc manifest
index 6bfc6a16975150863462bb088b30592ca68de66c,297a655bf57c6577aab76dde574504c0ddad8510..67a5b345e29d2c0f8a2fe971c8635fedd1f49db7
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\scouple\sC99-isms\sthat\scause\scompile\serrors\son\sMSVC.
- D 2015-08-20T23:28:18.956
 -C Fix\scompiler\swarnings\sin\sthe\ssqldiff\stool\sseen\swith\sMSVC.
 -D 2015-08-20T21:09:32.725
++C Compiler-warning\sfixes\sin\sthe\ssqldiff.exe\sutility.
++D 2015-08-20T23:33:09.816
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 4f663b6b4954b9b1eb0e6f08387688a93b57542d
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1376,7 -1376,10 +1376,8 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P 774e6a14b124bbae4da0e188b62aee9ffb8c3745
- R a705c27f52160ef69f13084e79416a63
 -P 17eb7f18cb76170e109977a94b259b763cd86c47
 -R 104bda6f56c91429ce0a720bb365ee76
 -T *branch * msvcWarn
 -T *sym-msvcWarn *
 -T -sym-trunk *
 -U mistachkin
 -Z 3c2642f645417b50de6b6b4d431a1560
++P bc577fe6cbbe5385d81d6fa0f3c34bb1c833f0d6 072279d458fbb74a812a9ee723041d6b7c662a88
++R 945241c39c0e2b8c88fe2d95b8e90177
++T +closed 072279d458fbb74a812a9ee723041d6b7c662a88
 +U drh
- Z 3baa7e86161b56868138f2b0a38c7271
++Z 016c7dc0deb1c398804e42d942b63fbc

diff --cc manifest.uuid
index 0240b8ded935a6a0a0dc6c8619e7634348a50adc,60c52a42f8ce1ef3bedbb56563ffd88b209b4a2b..cb7f7ee87d2628315afdcaf025eb0122619c21b8
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- bc577fe6cbbe5385d81d6fa0f3c34bb1c833f0d6
 -072279d458fbb74a812a9ee723041d6b7c662a88
++64d13339d44d1b7ec6768a33421f2138cb7872d8