Disable find_package QUIET option in openbsd ports builds.

Index: Source/cmFindPackageCommand.cxx
--- Source/cmFindPackageCommand.cxx.orig
+++ Source/cmFindPackageCommand.cxx
@@ -712,7 +712,13 @@ bool cmFindPackageCommand::InitialPass(std::vector<std
   std::vector<std::size_t> moduleArgs;
   for (std::size_t i = 1u; i < args.size(); ++i) {
     if (args[i] == "QUIET") {
-      this->Quiet = true;
+      std::string openbsd_build;
+      bool quiet = true;
+      if (cmSystemTools::GetEnv("MODCMAKE_PORT_BUILD", openbsd_build)) {
+        if (openbsd_build == std::string("yes"))
+          quiet = false;
+      }
+      this->Quiet = quiet;
       doing = DoingNone;
     } else if (args[i] == "BYPASS_PROVIDER") {
       bypassProvider = true;