add constants for file open

src/node_sqlite3.cc

@@ -22,6 +22,9 @@ NAN_MODULE_INIT(RegisterModule) {
     DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_READWRITE, OPEN_READWRITE);
     DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_CREATE, OPEN_CREATE);
     DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_FULLMUTEX, OPEN_FULLMUTEX);
+    DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_URI, OPEN_URI);
+    DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_SHAREDCACHE, OPEN_SHAREDCACHE);
+    DEFINE_CONSTANT_INTEGER(target, SQLITE_OPEN_PRIVATECACHE, OPEN_PRIVATECACHE);
     DEFINE_CONSTANT_STRING(target, SQLITE_VERSION, VERSION);
 #ifdef SQLITE_SOURCE_ID
     DEFINE_CONSTANT_STRING(target, SQLITE_SOURCE_ID, SOURCE_ID);