Bug 254571 - when "make install"ing, sometimes the chrome directory is not created. use nsinstall -D to fix this patch by Alexander Sack <asac@jwsdot.com> r=me a=asa

config/rules.mk

@@ -1648,7 +1648,7 @@ install:: $(CHROME_DEPS)
 ifndef NO_INSTALL
 	@$(EXIT_ON_ERROR) \
 	if test -f $(JAR_MANIFEST); then \
-	  if test ! -d $(DESTDIR)$(mozappdir)/chrome; then mkdir $(DESTDIR)$(mozappdir)/chrome; fi; \
+	  if test ! -d $(DESTDIR)$(mozappdir)/chrome; then $(NSINSTALL) -D $(DESTDIR)$(mozappdir)/chrome; fi; \
 	  $(PERL) $(MOZILLA_DIR)/config/preprocessor.pl $(XULPPFLAGS) $(DEFINES) $(ACDEFINES) \
 	    $(JAR_MANIFEST) | \
 	  $(PERL) -I$(MOZILLA_DIR)/config $(MOZILLA_DIR)/config/make-jars.pl \