HMCCUCHN: Fixed missing timer::hires

git-svn-id: https://svn.fhem.de/fhem/trunk@10269 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/contrib/HMCCU/88_HMCCUCHN.pm

@@ -39,6 +39,8 @@ use strict;
 use warnings;
 use SetExtensions;
 
+use Time::HiRes;
+
 sub HMCCUCHN_Define ($@);
 sub HMCCUCHN_Set ($@);
 sub HMCCUCHN_Get ($@);