Add nsNativeAppSupportOS2.cpp

toolkit/xre/Makefile.in

@@ -108,9 +108,13 @@ else
 ifeq ($(MOZ_WIDGET_TOOLKIT),mac)
 CPPSRCS += nsNativeAppSupportMac.cpp
 else
+ifeq ($(MOZ_WIDGET_TOOLKIT),os2)
+CPPSRCS += nsNativeAppSupportOS2.cpp
+else
 CPPSRCS += nsNativeAppSupportDefault.cpp
 endif
 endif
+endif
 
 ifeq ($(MOZ_WIDGET_TOOLKIT),mac)
 CMSRCS = MacLaunchHelper.m