--- tpmd/unix/tpmd.c.orig       2017-05-17 08:59:50.582595000 -0400
+++ tpmd/unix/tpmd.c    2017-05-17 09:00:00.197212000 -0400
@@ -85,7 +85,7 @@

 static void parse_options(int argc, char **argv)
 {
-    char c;
+    int c;
     struct passwd *pwd;
     struct group *grp;
     opt_uid = getuid();