another constant-string fix for strtrim (makes strtrim("") work)

diff --git a/lib/strs.c b/lib/strs.c
index 18d9d8e5dec6b31e732745cc59d849b87c9b9221..8b3d3ceeb7b756f51eb83e68e34c3ba3377c8de4 100644 (file)
--- a/lib/strs.c
+++ b/lib/strs.c
@@ -27,7 +27,8 @@ char *strtrim(char *save)
   /* skip to end of string */
   if (*s == '\0')
     {
-      *save = '\0';
+      if (*save)
+       *save = '\0';
       return save;
     }