Fix harmless compiler warning.

FossilOrigin-Name: 733119067757814609a9cea6b975818607bee4e3

manifest

@@ -1,5 +1,5 @@
-C Update\scomments\sin\sthe\sANALYZE\scommand\sthat\sdescribe\show\sthe\sStat4Accum\nobjecct\sis\spassed\saround\swithin\sthe\sVDBE.\s\sNo\schanges\sto\sfunctional\scode.
-D 2014-09-01T23:06:44.401
+C Fix\sharmless\scompiler\swarning.
+D 2014-09-05T05:58:37.378
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in cf57f673d77606ab0f2d9627ca52a9ba1464146a
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -209,7 +209,7 @@ F src/os.h 60d419395e32a8029fa380a80a3da2e9030f635e
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
 F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
 F src/os_unix.c 8525ca79457c5b4673a5fda2774ee39fe155f40f
-F src/os_win.c 2aa8aa7780d7cf03e912d2088ab2ec5c32f33dc5
+F src/os_win.c 3c9f7df710cb6c757b04b78bf3d98f03830e67b9
 F src/os_win.h 09e751b20bbc107ffbd46e13555dc73576d88e21
 F src/pager.c 3e732d2bbdd8d8d95fed0c5ae7e718d73153c4c5
 F src/pager.h ffd5607f7b3e4590b415b007a4382f693334d428
@@ -1193,7 +1193,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 4cae93f8ae8fb3fe38fd5dc7d3a5ea0d11552841
-R fe37d23fb1f96547febf2ff7c0ba49b9
-U drh
-Z 29e2a2847ff584a00093c5b89ffca704
+P 9779c7a9eb1e2bd36e9286331a9314f064014d80
+R 05490459da8c4172c4abbda0933bfe68
+U mistachkin
+Z b93a43f7e285c77b049b454cce5380d9

manifest.uuid

@@ -1 +1 @@
-9779c7a9eb1e2bd36e9286331a9314f064014d80
+733119067757814609a9cea6b975818607bee4e3

src/os_win.c

@@ -1286,12 +1286,14 @@ void sqlite3_win32_sleep(DWORD milliseconds){
 #endif
 }
 
+#if SQLITE_MAX_WORKER_THREADS>0 && !SQLITE_OS_WINRT && SQLITE_THREADSAFE>0
 DWORD sqlite3Win32Wait(HANDLE hObject){
   DWORD rc;
   while( (rc = osWaitForSingleObjectEx(hObject, INFINITE,
                                        TRUE))==WAIT_IO_COMPLETION ){}
   return rc;
 }
+#endif
 
 /*
 ** Return true (non-zero) if we are running under WinNT, Win2K, WinXP,