White space around control verbs.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui-snapshot.c

@@ -72,7 +72,7 @@ const struct cgit_snapshot_format cgit_snapshot_formats[] = {
 	{ ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive, 0x04 },
 	{ ".tar", "application/x-tar", write_tar_archive, 0x08 },
 	{ ".tar.xz", "application/x-xz", write_tar_xz_archive, 0x10 },
-	{}
+	{ NULL }
 };
 
 static const struct cgit_snapshot_format *get_format(const char *filename)