sim: igen: minor constify logic

Copy some improvements from the ppc igen code.

diff --git a/sim/igen/misc.c b/sim/igen/misc.c
index a083f6d1bbd234e647b17d48d138ea11208185a3..fface6f66d5abe114db81a2565e08b28a2c7ad8d 100644 (file)
--- a/sim/igen/misc.c
+++ b/sim/igen/misc.c
@@ -215,8 +215,8 @@ name2i (const char *names, const name_map * map)
   while (*name != '\0')
     {
       /* find our name */
-      char *end = strchr (name, ',');
-      char *next;
+      const char *end = strchr (name, ',');
+      const char *next;
       unsigned len;
       if (end == NULL)
        {