Add support for multiple Debug lines per program. Callers may

register arbitrary debug facilities or use built-in defaults.  We
now use separate Debug statements for plugins and programs.

lib/util/strtomode.c

@@ -46,7 +46,7 @@ sudo_strtomode_v1(const char *cp, const char **errstr)
 {
     char *ep;
     long lval;
-    debug_decl(sudo_strtomode, SUDO_DEBUG_UTIL)
+    debug_decl(sudo_strtomode, SUDO_DEBUG_UTIL, SUDO_DEBUG_INSTANCE_DEFAULT)
 
     errno = 0;
     lval = strtol(cp, &ep, 8);