Bug 399786 - launcher change for highDPI support - GTK only

Change-Id: I0ecfdfc3d3097308c39e7c5f006e1f5857752e06
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
diff --git a/features/org.eclipse.equinox.executable.feature/library/gtk/eclipseGtkInit.c b/features/org.eclipse.equinox.executable.feature/library/gtk/eclipseGtkInit.c
index 8abe5d6..2b956a9 100644
--- a/features/org.eclipse.equinox.executable.feature/library/gtk/eclipseGtkInit.c
+++ b/features/org.eclipse.equinox.executable.feature/library/gtk/eclipseGtkInit.c
@@ -118,6 +118,9 @@
 	if (oxygenGtkHack == NULL) {
 		setenv("OXYGEN_DISABLE_INNER_SHADOWS_HACK", "1", 0);
 	}
+	
+	/* Disable GTK scaling*/
+	setenv("GDK_SCALE", "1", 1);
 
 	void *gdkLib = NULL, *gtkLib = NULL, *objLib = NULL, *pixLib = NULL, *x11Lib = NULL;