From 11fcd21b8addb2e9ac819fd08bd8c7e86f424619 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Mon, 14 Jan 2019 11:25:50 +0000
Subject: [PATCH] fix build without lcms

---
 libvips/colour/icc_transform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libvips/colour/icc_transform.c b/libvips/colour/icc_transform.c
index 8b219cba..42e0df6f 100644
--- a/libvips/colour/icc_transform.c
+++ b/libvips/colour/icc_transform.c
@@ -1299,7 +1299,7 @@ vips_icc_ac2rc( VipsImage *in, VipsImage **out, const char *profile_filename )
 
 gboolean
 vips_icc_is_compatible_profile( VipsImage *image, 
-	void *data, size_t data_length )
+	const void *data, size_t data_length )
 {
 	return( TRUE ); 
 }