Added a 'refreshrate' field to the table returned by love.window.getMode. The value may be 0 if the refresh rate of the monitor can't be determined. It might also be 59 instead of 60 on 59.94hz monitors on some operating systems.

src/modules/window/Window.cpp

@@ -51,6 +51,7 @@ WindowSettings::WindowSettings()
 	, display(0)
 	, highdpi(false)
 	, sRGB(false)
+	, refreshrate(0.0)
 {
 }
 
@@ -99,6 +100,7 @@ StringMap<Window::Setting, Window::SETTING_MAX_ENUM>::Entry Window::settingEntri
 	{"display", SETTING_DISPLAY},
 	{"highdpi", SETTING_HIGHDPI},
 	{"srgb", SETTING_SRGB},
+	{"refreshrate", SETTING_REFRESHRATE},
 };
 
 StringMap<Window::Setting, Window::SETTING_MAX_ENUM> Window::settings(Window::settingEntries, sizeof(Window::settingEntries));