Uppercasing some stray lowercase keywords for code consistency
diff --git a/system/libraries/Image_lib.php b/system/libraries/Image_lib.php
index 41f9ad3..8902f52 100644
--- a/system/libraries/Image_lib.php
+++ b/system/libraries/Image_lib.php
@@ -749,7 +749,7 @@
 
 		@chmod($this->full_dst_path, FILE_WRITE_MODE);
 
-		return true;
+		return TRUE;
 	}
 
 	// --------------------------------------------------------------------