[master] 373388b fix typo

[Nils Goroll]

commit 373388bb5abe26941e34871cb0b20ad5cd04c9ab
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Mar 5 14:35:30 2018 +0100

    fix typo

diff --git a/lib/libvcc/vmodtool.py b/lib/libvcc/vmodtool.py
index 853abb7..e866c80 100755
--- a/lib/libvcc/vmodtool.py
+++ b/lib/libvcc/vmodtool.py
@@ -357,7 +357,7 @@ class prototype(object):
 
         self.bname = wl.pop(0)
         if not re.match("^[a-zA-Z.][a-zA-Z0-9_]*$", self.bname):
-            err("%s(): Illegal name\n" % self.nname, warn=False)
+            err("%s(): Illegal name\n" % self.bname, warn=False)
 
         self.name = prefix + self.bname
         if not re.match('^[a-zA-Z_][a-zA-Z0-9_]*$', self.cname()):