[balsa/gtk3] Don not export unnecessary methods

[Peter Bloomfield <PeterB src gnome org>]

commit 0918b659abaf3d9a07b3621a6a343ce438de6816
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sat Jun 9 22:16:18 2012 -0400

    Don not export unnecessary methods
    
    	* libbalsa/mailbox.h: do not export
    	libbalsa_mailbox_msgno_filt_{in,out}.
    	* libbalsa/mailbox.c: declare them static.

 ChangeLog          |    6 ++++++
 libbalsa/mailbox.c |    4 ++--
 libbalsa/mailbox.h |    2 --
 3 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index b629aa3..519b388 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2012-06-09  Peter Bloomfield
 
+	* libbalsa/mailbox.h: do not export
+	libbalsa_mailbox_msgno_filt_{in,out}.
+	* libbalsa/mailbox.c: declare them static.
+
+2012-06-09  Peter Bloomfield
+
 	* libbalsa/mailbox.c (lbm_msgno_filt_check),
 	(lbm_msgno_filt_check_idle_cb),
 	(libbalsa_mailbox_msgno_filt_check): check whether message
diff --git a/libbalsa/mailbox.c b/libbalsa/mailbox.c
index 03d4d66..4519693 100644
--- a/libbalsa/mailbox.c
+++ b/libbalsa/mailbox.c
@@ -1460,7 +1460,7 @@ libbalsa_mailbox_msgno_inserted(LibBalsaMailbox *mailbox, guint seqno,
 #endif                          /* BALSA_USE_THREADS */
 }
 
-void
+static void
 libbalsa_mailbox_msgno_filt_in(LibBalsaMailbox *mailbox, guint seqno)
 {
     GtkTreeIter iter;
@@ -1628,7 +1628,7 @@ libbalsa_mailbox_msgno_removed(LibBalsaMailbox * mailbox, guint seqno)
 #endif                          /* BALSA_USE_THREADS */
 }
 
-void
+static void
 libbalsa_mailbox_msgno_filt_out(LibBalsaMailbox * mailbox, guint seqno)
 {
     GtkTreeIter iter;
diff --git a/libbalsa/mailbox.h b/libbalsa/mailbox.h
index fd217f3..43f9230 100644
--- a/libbalsa/mailbox.h
+++ b/libbalsa/mailbox.h
@@ -593,8 +593,6 @@ void libbalsa_mailbox_msgno_inserted(LibBalsaMailbox * mailbox,
                                      guint seqno, GNode * parent,
                                      GNode ** sibling);
 void libbalsa_mailbox_msgno_removed(LibBalsaMailbox  *mailbox, guint seqno);
-void libbalsa_mailbox_msgno_filt_in(LibBalsaMailbox * mailbox, guint seqno);
-void libbalsa_mailbox_msgno_filt_out(LibBalsaMailbox * mailbox, guint seqno);
 void libbalsa_mailbox_msgno_filt_check(LibBalsaMailbox * mailbox,
 				       guint seqno,
 				       LibBalsaMailboxSearchIter