Fix transitive dependencies on iostream

src/Cache.cpp

@@ -1065,8 +1065,8 @@ Cache::saveInvite(lmdb::txn &txn,
                                                            lmdb::val(json(msg).dump()));
 
                                   if (!res)
-                                          std::cout << "couldn't save data" << json(msg).dump()
-                                                    << '\n';
+                                          nhlog::db()->warn("couldn't save data: {}",
+                                                            json(msg).dump());
                           },
                           e);
                 }

src/TextInputWidget.cpp

@@ -537,7 +537,7 @@ TextInputWidget::TextInputWidget(QWidget *parent)
                                 emit input_->resultsRetrieved(cache::searchUsers(
                                   ChatPage::instance()->currentRoom().toStdString(), q));
                         } catch (const lmdb::error &e) {
-                                std::cout << e.what() << '\n';
+                                nhlog::db()->error("Suggestion retrieval failed: {}", e.what());
                         }
                 });
         });

src/main.cpp

@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <iostream>
+
 #include <QApplication>
 #include <QCommandLineParser>
 #include <QDesktopWidget>
@@ -43,15 +45,15 @@
 #include "emoji/MacHelper.h"
 #endif
 
-#if defined(Q_OS_LINUX)
-#include <boost/stacktrace.hpp>
-#include <csignal>
-
 #ifdef QML_DEBUGGING
 #include <QQmlDebuggingEnabler>
 QQmlDebuggingEnabler enabler;
 #endif
 
+#if defined(Q_OS_LINUX)
+#include <boost/stacktrace.hpp>
+#include <csignal>
+
 void
 stacktraceHandler(int signum)
 {