Fix verbosity flag (#1942)

Signed-off-by: Andrei Lebedev <[email protected]>

irohad/main/irohad.cpp

@@ -96,6 +96,9 @@ DEFINE_validator(verbosity, validateVerbosity);
 std::promise<void> exit_requested;
 
 int main(int argc, char *argv[]) {
+  // Parsing command line arguments
+  gflags::ParseCommandLineFlags(&argc, &argv, true);
+
   spdlog::set_level(spdlog::level::level_enum(FLAGS_verbosity));
 
   auto log = logger::log("MAIN");
@@ -111,10 +114,6 @@ int main(int argc, char *argv[]) {
 
   namespace mbr = config_members;
 
-  // Parsing command line arguments
-  gflags::ParseCommandLineFlags(&argc, &argv, true);
-  gflags::ShutDownCommandLineFlags();
-
   // Reading iroha configuration file
   auto config = parse_iroha_config(FLAGS_config);
   log->info("config initialized");
@@ -252,5 +251,7 @@ int main(int argc, char *argv[]) {
   // They do all necessary work in their destructors
   log->info("shutting down...");
 
+  gflags::ShutDownCommandLineFlags();
+
   return 0;
 }