Add missing default case, correct type of colour values

1 files changed, 3 insertions, 3 deletions

diff --git a/colour.h b/colour.h
index 4c66992..fdb40d7 100644
--- a/colour.h
+++ b/colour.h
@@ -1,5 +1,5 @@
 struct colour {
-	char r;
-	char g;
-	char b;
+	unsigned char r;
+	unsigned char g;
+	unsigned char b;
 };