[gtranslator] Fixed a gcc warning

[Jonh Wendell <jwendell src gnome org>]

commit 3c2aacd2603940ade893ca5a59d7491265cfb49b
Author: Jonh Wendell <jwendell gnome org>
Date:   Tue Aug 18 09:59:15 2009 -0300

    Fixed a gcc warning

 src/po.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/po.c b/src/po.c
index 7031dfc..6b9056f 100644
--- a/src/po.c
+++ b/src/po.c
@@ -715,7 +715,7 @@ gtranslator_po_save_header_in_msg (GtranslatorPo *po, GtranslatorHeader *header)
 	 */
 	if ((g_utf8_collate (prev_translator, aux) != 0) || (prev_translator == NULL)) {
 
-	  header_comment = g_strchomp(gtranslator_header_get_comment (header));
+	  header_comment = (const gchar *) g_strchomp((gchar *) gtranslator_header_get_comment (header));
 	  aux2 = g_strconcat(header_comment, "\n",gtranslator_header_get_translator(header), " ", "<",
 			     gtranslator_header_get_tr_email(header), ">", ",", " ", year, ".", NULL);