[gtk+] GdkMonitor: Use 1 as scale fallback value

[Timm Bäder <baedert src gnome org>]

commit c78451e140c4d046fe546c0fe07c6925b0086f31
Author: Timm Bäder <mail baedert org>
Date:   Sun Mar 19 14:24:02 2017 +0100

    GdkMonitor: Use 1 as scale fallback value
    
    The same value we use in gtk_widget_get_scale_factor.

 gdk/gdkmonitor.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkmonitor.c b/gdk/gdkmonitor.c
index 58c238d..7875899 100644
--- a/gdk/gdkmonitor.c
+++ b/gdk/gdkmonitor.c
@@ -404,7 +404,7 @@ gdk_monitor_get_model (GdkMonitor *monitor)
 int
 gdk_monitor_get_scale_factor (GdkMonitor *monitor)
 {
-  g_return_val_if_fail (GDK_IS_MONITOR (monitor), 0);
+  g_return_val_if_fail (GDK_IS_MONITOR (monitor), 1);
 
   return monitor->scale_factor;
 }