Add auto-register for BMP loader.

Author: Kelimion

core/image/bmp/bmp.odin

@@ -632,15 +632,10 @@ skip_space :: proc(ctx: ^$C, bytes_to_skip: int) -> (err: Error) {
 	return
 }
 
-/*
-	Cleanup of image-specific data.
-*/
+// Cleanup of image-specific data.
 destroy :: proc(img: ^Image) {
 	if img == nil {
-		/*
-			Nothing to do.
-			Load must've returned with an error.
-		*/
+		// Nothing to do. Load must've returned with an error.
 		return
 	}
 
@@ -649,4 +644,9 @@ destroy :: proc(img: ^Image) {
 	 	free(v)
 	}
 	free(img)
+}
+
+@(init, private)
+_register :: proc() {
+	image.register(.BMP, load_from_bytes, destroy)
 }