[sqlite] Reenable deprecated methods on unix VFS.

third_party/sqlite/src/src/os_unix.c

 /*
 ** 2004 May 22
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 6198 matching lines @@
 
 #ifdef SQLITE_TEST
   if( sqlite3_current_time ){
     *piNow = 1000*(sqlite3_int64)sqlite3_current_time + unixEpoch;
   }
 #endif
   UNUSED_PARAMETER(NotUsed);
   return rc;
 }
 
-#if 0 /* Not used */
+#ifndef SQLITE_OMIT_DEPRECATED
 /*
 ** Find the current time (in Universal Coordinated Time).  Write the
 ** current time and date as a Julian Day number into *prNow and
 ** return 0.  Return 1 if the time and date cannot be found.
 */
 static int unixCurrentTime(sqlite3_vfs *NotUsed, double *prNow){
   sqlite3_int64 i = 0;
   int rc;
   UNUSED_PARAMETER(NotUsed);
   rc = unixCurrentTimeInt64(0, &i);
   *prNow = i/86400000.0;
   return rc;
 }
 #else
 # define unixCurrentTime 0
 #endif
 
-#if 0  /* Not used */
+#ifndef SQLITE_OMIT_DEPRECATED
 /*
 ** We added the xGetLastError() method with the intention of providing
 ** better low-level error messages when operating-system problems come up
 ** during SQLite operation.  But so far, none of that has been implemented
 ** in the core.  So this routine is never called.  For now, it is merely
 ** a place-holder.
 */
 static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){
   UNUSED_PARAMETER(NotUsed);
   UNUSED_PARAMETER(NotUsed2);
@@ skipping 1299 matching lines @@
 **
 ** Some operating systems might need to do some cleanup in this routine,
 ** to release dynamically allocated objects.  But not on unix.
 ** This routine is a no-op for unix.
 */
 int sqlite3_os_end(void){ 
   return SQLITE_OK; 
 }
  
 #endif /* SQLITE_OS_UNIX */