Mark log callback format string const

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 7fec293d..8e1e022a 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -74,8 +74,8 @@ typedef enum _pmloglevel_t {
 	PM_LOG_FUNCTION = (1 << 3)
 } pmloglevel_t;
 
-typedef void (*alpm_cb_log)(pmloglevel_t, char *, va_list);
-int alpm_logaction(char *fmt, ...);
+typedef void (*alpm_cb_log)(pmloglevel_t, const char *, va_list);
+int alpm_logaction(const char *fmt, ...);
 
 /*
  * Downloading