Compiler warning fix associated with date/time functions.

FossilOrigin-Name: a98f07d942f0b8cc15da57b84e6340efae72ff19516fa04624242240af43a697
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index e44c733..20e2af3 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1662,7 +1662,7 @@
    0, 0, xFunc, 0, #zName, {0} }
 #define PURE_DATE(zName, nArg, iArg, bNC, xFunc) \
   {nArg, SQLITE_FUNC_SLOCHNG|SQLITE_UTF8|SQLITE_FUNC_CONSTANT, \
-   (void*)xFunc, 0, xFunc, 0, #zName, {0} }
+   (void*)&sqlite3Config, 0, xFunc, 0, #zName, {0} }
 #define FUNCTION2(zName, nArg, iArg, bNC, xFunc, extraFlags) \
   {nArg,SQLITE_FUNC_CONSTANT|SQLITE_UTF8|(bNC*SQLITE_FUNC_NEEDCOLL)|extraFlags,\
    SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, #zName, {0} }