[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/src/os_win.h

Index: third_party/sqlite/sqlite-src-3100200/src/os_win.h
diff --git a/third_party/sqlite/src/src/os_win.h b/third_party/sqlite/sqlite-src-3100200/src/os_win.h
similarity index 84%
copy from third_party/sqlite/src/src/os_win.h
copy to third_party/sqlite/sqlite-src-3100200/src/os_win.h
index 5174ac77814c89b6065d44083b4fb45194e85d59..17d6a2bef462a72e15e704a248166aa373d408fd 100644
--- a/third_party/sqlite/src/src/os_win.h
+++ b/third_party/sqlite/sqlite-src-3100200/src/os_win.h
@@ -74,4 +74,15 @@
 # define SQLITE_WIN32_VOLATILE volatile
 #endif
 
+/*
+** For some Windows sub-platforms, the _beginthreadex() / _endthreadex()
+** functions are not available (e.g. those not using MSVC, Cygwin, etc).
+*/
+#if SQLITE_OS_WIN && !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && \
+    SQLITE_THREADSAFE>0 && !defined(__CYGWIN__)
+# define SQLITE_OS_WIN_THREADS 1
+#else
+# define SQLITE_OS_WIN_THREADS 0
+#endif
+
 #endif /* _OS_WIN_H_ */