#45872

r=mkaply, a=brendan
Include the right stuff so this header builds regardless of where it is included

gfx/src/os2/nsDeviceContextSpecOS2.h

@@ -22,6 +22,9 @@
 #define _nsDeviceContextSpecOS2_h
 
 #include "nsIDeviceContextSpec.h"
+#define INCL_DEV
+#include <os2.h>
+#include "libprint.h"
 
 class nsDeviceContextSpecOS2 : public nsIDeviceContextSpec
 {