build: Enable colors for Test::Harness

This enables colors in runner ouput, although it does not seem to do
much anyway.

Makecheck.am

@@ -17,7 +17,7 @@ check-local: $(test_data) $(test_cases)
 	PATH="$(top_builddir)/src:$(top_builddir)/scripts:$(top_builddir)/utils:$(PATH)" \
 	  LC_ALL=C \
 	  $(TEST_ENV_VARS) \
-	  HARNESS_VERBOSE=$(TEST_VERBOSE) \
+	  HARNESS_VERBOSE=$(TEST_VERBOSE) HARNESS_COLOR=1 \
 	  srcdir=$(srcdir) builddir=$(builddir) \
 	  PERL5LIB=$(top_srcdir)/scripts PERL_DL_NONLAZY=1 \
 	  PERL5OPT=$(TEST_COVERAGE) \

debian/changelog

@@ -15,6 +15,7 @@ dpkg (1.17.7) UNRELEASED; urgency=low
   * Localize $_ in Perl functions with while (<$fh>) style loops.
   * Perl test suite cleanup:
     - Switch test suite runner from ExtUtils::Command::MM to Test::Harness.
+    - Enable colors in test suite runner.
 
   [ Updated dpkg translations ]
   * German (Sven Joachim).