[anjuta] libanjuta: Replace a crash by a critical warning

[Sebastien Granjoux <sgranjoux src gnome org>]

commit b6b8c34e10905e05ecfcc42486573ec09d5ea967
Author: Sébastien Granjoux <seb sfo free fr>
Date:   Mon Nov 1 19:23:42 2010 +0100

    libanjuta: Replace a crash by a critical warning

 libanjuta/anjuta-launcher.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libanjuta/anjuta-launcher.c b/libanjuta/anjuta-launcher.c
index ff448f4..4496765 100644
--- a/libanjuta/anjuta-launcher.c
+++ b/libanjuta/anjuta-launcher.c
@@ -422,11 +422,12 @@ anjuta_launcher_send_stdin_eof (AnjutaLauncher *launcher)
 void
 anjuta_launcher_send_ptyin (AnjutaLauncher *launcher, const gchar * input_str)
 {
-	gsize bytes_written;
+	gsize bytes_written = 0;
 	GError *err = NULL;
 	
 	g_return_if_fail (launcher);
 	g_return_if_fail (input_str);
+	g_return_if_fail (launcher->priv->pty_channel != NULL);
 	
 	if (strlen (input_str) == 0) 
 		return;