The previous change to switch qemu's make include directives to use
.*.d rather than *.d didn't consider the stubdom side, where no -MF
was passed to the compiler so far.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- a/xen-setup-stubdom
+++ b/xen-setup-stubdom
@@ -95,7 +95,7 @@ HOST_USB=stub
 
 HOST_LDFLAGS= \$(LDFLAGS) -g -Wl,--warn-common
 HOST_CFLAGS= \$(CFLAGS)
-CPPFLAGS += $TARGET_CPPFLAGS -DCONFIG_STUBDOM
+CPPFLAGS += $TARGET_CPPFLAGS -DCONFIG_STUBDOM -MF .\$(@F).d
 CFLAGS= $TARGET_CFLAGS
 LDFLAGS= $TARGET_LDFLAGS