Improve error handling for resize and reserve procedures

core/image/qoi/qoi.odin

@@ -53,7 +53,7 @@ save_to_buffer  :: proc(output: ^bytes.Buffer, img: ^Image, options := Options{}
 	// Calculate and allocate maximum size. We'll reclaim space to actually written output at the end.
 	max_size := pixels * (img.channels + 1) + size_of(image.QOI_Header) + size_of(u64be)
 
-	if !resize(&output.buf, max_size) {
+	if resize(&output.buf, max_size) != nil {
 		return .Unable_To_Allocate_Or_Resize
 	}
 
@@ -233,7 +233,7 @@ load_from_context :: proc(ctx: ^$C, options := Options{}, allocator := context.a
 
 	bytes_needed := image.compute_buffer_size(int(header.width), int(header.height), img.channels, 8)
 
-	if !resize(&img.pixels.buf, bytes_needed) {
+	if resize(&img.pixels.buf, bytes_needed) != nil {
 	 	return img, .Unable_To_Allocate_Or_Resize
 	}