[evolution-kolab] camel-imapx-metadata.c: Change an assertion to a runtime warning.

[Matthew Barnes <mbarnes src gnome org>]

commit bded9eade6a261ec52e049b242b7fac20ed276f1
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Jul 4 14:53:23 2012 -0400

    camel-imapx-metadata.c: Change an assertion to a runtime warning.
    
    So I can make progress on my work.
    
    This is why the Evolution team prohibits assertions in production code.

 src/libekolab/camel-imapx-metadata.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/libekolab/camel-imapx-metadata.c b/src/libekolab/camel-imapx-metadata.c
index 671f664..8434569 100644
--- a/src/libekolab/camel-imapx-metadata.c
+++ b/src/libekolab/camel-imapx-metadata.c
@@ -711,8 +711,9 @@ camel_imapx_metadata_spec_new (camel_imapx_metadata_proto_t proto,
 {
 	CamelImapxMetadataSpec *spec = NULL;
 
-	g_assert ((proto > CAMEL_IMAPX_METADATA_PROTO_INVAL) &&
-	          (proto < CAMEL_IMAPX_METADATA_LAST_PROTO));
+	g_return_val_if_fail (
+		(proto > CAMEL_IMAPX_METADATA_PROTO_INVAL) &&
+		(proto < CAMEL_IMAPX_METADATA_LAST_PROTO), NULL);
 	/* mailbox_name may be NULL when starting search at annotation level */
 	g_assert (entry_name != NULL);
 	/* attrib_name may be NULL, will then be replaced by "value" */