Mark some more variables/parameters constant

Fixes a couple of warnings seen with GCC 4.7.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/io.c b/src/io.c
index cd43d68..d1d2f44 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1230,14 +1230,14 @@ io_log_init (void)
 }
 
 void
-io_log_print (struct io_file *log, int line, char *msg)
+io_log_print (struct io_file *log, int line, const char *msg)
 {
   if (log && log->fd)
     fprintf (log->fd, "line %d: %s\n", line, msg);
 }
 
 void
-io_log_display (struct io_file *log, char *msg, char *pager)
+io_log_display (struct io_file *log, const char *msg, char *pager)
 {
   char *choices = "[y/n] ";
   int ans;