[sqlite] Reenable deprecated methods on unix VFS.

third_party/sqlite/src/src/os_unix.c

Index: third_party/sqlite/src/src/os_unix.c
diff --git a/third_party/sqlite/src/src/os_unix.c b/third_party/sqlite/src/src/os_unix.c
index 523cad6e727350346e59c13be1b538e6bc9f1430..e1228e3e5590d5b39b012209a72e2a8488f0e39b 100644
--- a/third_party/sqlite/src/src/os_unix.c
+++ b/third_party/sqlite/src/src/os_unix.c
@@ -6216,7 +6216,7 @@ static int unixCurrentTimeInt64(sqlite3_vfs *NotUsed, sqlite3_int64 *piNow){
   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
@@ -6234,7 +6234,7 @@ static int unixCurrentTime(sqlite3_vfs *NotUsed, double *prNow){
 # 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