prefer html_raw() to write()

To make the code more consistent, and to not rely on the implementation
of html(), always use html_raw(...) instead of write(htmlfd, ...).

Signed-off-by: Mark Lodato <lodatom@gmail.com>
diff --git a/ui-blob.c b/ui-blob.c
index 667a451..ec435e1 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -52,7 +52,7 @@
 	if (!buf)
 		return -1;
 	buf[size] = '\0';
-	write(htmlfd, buf, size);
+	html_raw(buf, size);
 	return 0;
 }
 
@@ -108,5 +108,5 @@
 	}
 	ctx.page.filename = path;
 	cgit_print_http_headers(&ctx);
-	write(htmlfd, buf, size);
+	html_raw(buf, size);
 }