Bug 1047548 - Fix missing CXXFLAGS for no-X builds. r=glandium

gfx/cairo/cairo/src/moz.build

@@ -220,9 +220,11 @@ if CONFIG['GNU_CC']:
 
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'qt':
     CFLAGS += CONFIG['MOZ_QT_CFLAGS']
+    CXXFLAGS += CONFIG['MOZ_QT_CFLAGS']
 
 if CONFIG['MOZ_X11']:
     CFLAGS += CONFIG['XCFLAGS']
 
 if CONFIG['MOZ_ENABLE_CAIRO_FT']:
     CFLAGS += CONFIG['CAIRO_FT_CFLAGS']
+    CXXFLAGS += CONFIG['CAIRO_FT_CFLAGS']