qtmultimedia related compile fix (hopefully), adjusted maximum ban duration

cockatrice/cockatrice.pro

@@ -5,9 +5,13 @@ INCLUDEPATH += . src ../common
 MOC_DIR = build
 OBJECTS_DIR = build
 RESOURCES = cockatrice.qrc
-QT += network script svg multimedia
-CONFIG += mobility
-MOBILITY = multimedia
+QT += network script svg
+linux-g++ {
+	CONFIG += mobility
+	MOBILITY = multimedia
+} else {
+	QT += multimedia
+}
 
 HEADERS += src/abstractcounter.h \
  src/counter_general.h \

cockatrice/src/userlist.cpp

@@ -24,6 +24,7 @@ BanDialog::BanDialog(QWidget *parent)
 	durationEdit = new QSpinBox;
 	durationEdit->setMinimum(0);
 	durationEdit->setValue(5);
+	durationEdit->setMaximum(99999999);
 	QLabel *reasonLabel = new QLabel(tr("Please enter the reason for the ban.\nThis is only saved for moderators and cannot be seen by the banned person."));
 	reasonEdit = new QPlainTextEdit;