Fix a potential use-after-free problem when compiling with SQLITE_HAS_CODEC.

FossilOrigin-Name: 653ea15ad8e23b333e234eb5dde7b80134db2baf

src/main.c

@@ -2969,7 +2969,6 @@ static int openDatabase(
   sqlite3_wal_autocheckpoint(db, SQLITE_DEFAULT_WAL_AUTOCHECKPOINT);
 
 opendb_out:
-  sqlite3_free(zOpen);
   if( db ){
     assert( db->mutex!=0 || isThreadsafe==0
            || sqlite3GlobalConfig.bFullMutex==0 );
@@ -3006,6 +3005,7 @@ opendb_out:
     }
   }
 #endif
+  sqlite3_free(zOpen);
   return rc & 0xff;
 }