Merge branch 'jk/skip-http-tests-under-no-curl' into maint

Test clean-up.

* jk/skip-http-tests-under-no-curl:
  tests: skip dav http-push tests under NO_EXPAT=NoThanks
  t/lib-httpd.sh: skip tests if NO_CURL is defined

t/lib-httpd.sh

@@ -30,6 +30,18 @@
 # Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
 #
 
+if test -n "$NO_CURL"
+then
+	skip_all='skipping test, git built without http support'
+	test_done
+fi
+
+if test -n "$NO_EXPAT" && test -n "$LIB_HTTPD_DAV"
+then
+	skip_all='skipping test, git built without expat support'
+	test_done
+fi
+
 test_tristate GIT_TEST_HTTPD
 if test "$GIT_TEST_HTTPD" = false
 then