Simple update utfcpp-4.0.6. Tested on amd64. OK?

Cheers Rafael

diff --git a/devel/utfcpp/Makefile b/devel/utfcpp/Makefile
index 23e90f37007..76659f4d319 100644
--- a/devel/utfcpp/Makefile
+++ b/devel/utfcpp/Makefile
@@ -2,7 +2,7 @@ COMMENT =		simple, portable library for handling UTF-8 strings
 
 GH_ACCOUNT =		nemtrif
 GH_PROJECT =		utfcpp
-GH_TAGNAME =		v4.0.5
+GH_TAGNAME =		v4.0.6
 CATEGORIES =		devel
 
 MAINTAINER =		Sergey Bronnikov <estetus@gmail.com>
diff --git a/devel/utfcpp/distinfo b/devel/utfcpp/distinfo
index 06c9f97f931..878db8b8cff 100644
--- a/devel/utfcpp/distinfo
+++ b/devel/utfcpp/distinfo
@@ -1,2 +1,2 @@
-SHA256 (utfcpp-4.0.5.tar.gz) = /8ZooxDndgfTk/PBizJxXyI9oerExNbgV5oR345rWc8=
-SIZE (utfcpp-4.0.5.tar.gz) = 34139
+SHA256 (utfcpp-4.0.6.tar.gz) = aSCmpdagS5qJsqia9xMvis79RuDCp7GQNQU56SE4FsA=
+SIZE (utfcpp-4.0.6.tar.gz) = 34153