Fix leak on sqlite3 open error

sqlite3_open creates the database object even if the operation
fails.

Author: nikic

ext/sqlite3/sqlite3.c

@@ -136,6 +136,7 @@ PHP_METHOD(sqlite3, open)
 
 	rc = sqlite3_open_v2(fullpath, &(db_obj->db), flags, NULL);
 	if (rc != SQLITE_OK) {
+		sqlite3_close(db_obj->db);
 		zend_throw_exception_ex(zend_ce_exception, 0, "Unable to open database: %s",
 #ifdef HAVE_SQLITE3_ERRSTR
 				db_obj->db ? sqlite3_errmsg(db_obj->db) : sqlite3_errstr(rc));
@@ -151,6 +152,7 @@ PHP_METHOD(sqlite3, open)
 #if SQLITE_HAS_CODEC
 	if (encryption_key_len > 0) {
 		if (sqlite3_key(db_obj->db, encryption_key, encryption_key_len) != SQLITE_OK) {
+			sqlite3_close(db_obj->db);
 			zend_throw_exception_ex(zend_ce_exception, 0, "Unable to open database: %s", sqlite3_errmsg(db_obj->db));
 			return;
 		}