--- src/dialogs/export.cpp	2009-05-31 22:31:35.000000000 +0200
+++ src/dialogs/export.cpp	2009-05-31 22:32:04.000000000 +0200
@@ -1041,7 +1041,7 @@
 static gchar *
 filename_add_extension (const gchar *filename, const gchar *extension)
 {
-  gchar *dot;
+  const char *dot;
 
   dot = strrchr (filename, '.');
   if ( !dot )
--- src/document.cpp	2009-05-31 22:27:36.000000000 +0200
+++ src/document.cpp	2009-05-31 22:28:17.000000000 +0200
@@ -746,7 +746,7 @@
         }
         
         if ( NULL != document_language ) {
-            gchar *pos = strchr(document_language, '_');
+            const char *pos = strchr(document_language, '_');
             if ( NULL != pos ) {
                 return Glib::ustring(document_language, pos - document_language);
             }
--- src/prefix.cpp	2009-05-31 22:25:45.000000000 +0200
+++ src/prefix.cpp	2009-05-31 22:27:02.000000000 +0200
@@ -355,7 +355,8 @@
 char *
 br_extract_dir (const char *path)
 {
-	char *end, *result;
+	const char *end;
+	char *result;
 
 	br_return_val_if_fail (path != (char*)NULL, (char*)NULL);
 
@@ -390,7 +391,8 @@
 char *
 br_extract_prefix (const char *path)
 {
-	char *end, *tmp, *result;
+	const char *end;
+	char *tmp, *result;
 
 	br_return_val_if_fail (path != (char*)NULL, (char*)NULL);