Replaced `==` with `===` and `!=` with `!==` in /system/database
diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php
index 20f1e6f..0a5dc92 100644
--- a/system/database/drivers/sqlite3/sqlite3_forge.php
+++ b/system/database/drivers/sqlite3/sqlite3_forge.php
@@ -184,7 +184,7 @@
return 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name)
.' '.$column_definition
- .($default_value != '' ? ' DEFAULT '.$default_value : '')
+ .($default_value !== '' ? ' DEFAULT '.$default_value : '')
// If NOT NULL is specified, the field must have a DEFAULT value other than NULL
.(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL');
}