[4.0] a80a788 Permit uppercase letters in vmod.vcc identifiers.

[Lasse Karstensen]

commit a80a788a92fab6ea6825174f4a1b3a3b653bba48
Author: Dag Haavi Finstad <daghf at varnish-software.com>
Date:   Tue Oct 21 13:35:41 2014 +0200

    Permit uppercase letters in vmod.vcc identifiers.

diff --git a/lib/libvcc/vmodtool.py b/lib/libvcc/vmodtool.py
index f437c22..d2d9dc2 100755
--- a/lib/libvcc/vmodtool.py
+++ b/lib/libvcc/vmodtool.py
@@ -104,7 +104,7 @@ def lwrap(s, w=72):
 #######################################################################
 
 def is_c_name(s):
-	return None != re.match("^[a-z][a-z0-9_]*$", s)
+	return None != re.match("^[a-zA-Z][a-zA-Z0-9_]*$", s)
 
 
 class ParseError(Exception):