more win32 build fix, since nsinstall sucks (bug 299407)

gfx/cairo/libpixman/src/Makefile.in

@@ -84,6 +84,7 @@ include $(topsrcdir)/config/rules.mk
 
 ifeq ($(USE_STATIC_VC71_LIB),1)
 libs:: $(srcdir)/pixman-vc71.lib
-	$(RM) $(DIST)/lib/$(LIBRARY)
-	$(INSTALL) $(IFLAGS1) $(srcdir)/pixman-vc71.lib $(DIST)/lib/$(LIBRARY)
+	$(RM_R) $(DIST)/lib/$(LIBRARY)
+	$(CP) $(srcdir)/pixman-vc71.lib $(DIST)/lib/$(LIBRARY)
 endif
+