add meta charset tag to error templates
diff --git a/application/errors/error_db.php b/application/errors/error_db.php
index b396cda..bc7c447 100644
--- a/application/errors/error_db.php
+++ b/application/errors/error_db.php
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
+<meta charset="utf-8">
 <title>Database Error</title>
 <style type="text/css">