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-rw-r--r--camel/camel-medium.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/camel/camel-medium.h b/camel/camel-medium.h
index 0e34f1c2a7..7c85bd2ed7 100644
--- a/camel/camel-medium.h
+++ b/camel/camel-medium.h
@@ -64,8 +64,8 @@ typedef struct {
CamelDataWrapperClass parent_class;
/* Virtual methods */
- void (*add_header) (CamelMedium *medium, gchar *header_name,
- gchar *header_value);
+ void (*add_header) (CamelMedium *medium, const gchar *header_name,
+ const gchar *header_value);
void (*remove_header) (CamelMedium *medium, const gchar *header_name);
const gchar * (*get_header) (CamelMedium *medium,
const gchar *header_name);
@@ -83,8 +83,8 @@ GtkType camel_medium_get_type (void);
/* public methods */
-void camel_medium_add_header (CamelMedium *medium, gchar *header_name,
- gchar *header_value);
+void camel_medium_add_header (CamelMedium *medium, const gchar *header_name,
+ const gchar *header_value);
void camel_medium_remove_header (CamelMedium *medium,
const gchar *header_name);
const gchar *camel_medium_get_header (CamelMedium *medium,