remove else clause in is_https function, just add return FALSE as fallback
diff --git a/system/core/Common.php b/system/core/Common.php
index 851d4f3..f3a1b50 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -358,10 +358,7 @@
 		{
 			return TRUE;
 		}
-		else
-		{
-			return FALSE;
-		}
+		return FALSE;
 	}
 }