xsize_t: check whether we lose bits

diff --git a/builtin-show-branch.c b/builtin-show-branch.c
index 67ae6bacda6edda2e36b974c0d36b4611ef1a9a6..c892f1f7a643b3d7e5c298837424a72cbc2c4f78 100644 (file)
--- a/builtin-show-branch.c
+++ b/builtin-show-branch.c
@@ -721,7 +721,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
                }
 
                for (i = 0; i < reflog; i++) {
-                       char *logmsg, *msg, *m;
+                       char *logmsg, *m;
+                       const char *msg;
                        unsigned long timestamp;
                        int tz;