[gnome-color-manager] Don't segfault if cmsCreateRGBProfile fails. Fixes rh#653419

[Richard Hughes <rhughes src gnome org>]

commit 579a88f91ba5d72fdb7d6a97174b863a7200cd38
Author: Richard Hughes <richard hughsie com>
Date:   Mon Nov 15 16:30:05 2010 +0000

    Don't segfault if cmsCreateRGBProfile fails. Fixes rh#653419

 libcolor-glib/gcm-profile.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libcolor-glib/gcm-profile.c b/libcolor-glib/gcm-profile.c
index 74adaa8..2605a87 100644
--- a/libcolor-glib/gcm-profile.c
+++ b/libcolor-glib/gcm-profile.c
@@ -1289,6 +1289,10 @@ gcm_profile_create_from_chroma (GcmProfile *profile, gdouble gamma,
 
 	/* create our generated profile */
 	priv->lcms_profile = cmsCreateRGBProfile (&white_point, &chroma, transfer_curve);
+	if (priv->lcms_profile == NULL) {
+		g_set_error (error, 1, 0, "failed to create profile");
+		goto out;
+	}
 	cmsSetEncodedICCversion (priv->lcms_profile, 2);
 	cmsFreeToneCurve (*transfer_curve);