Currently, the scripts in /etc/xen/scripts won't get overwritten if they

exist which means that changes can easily not get updated.  This makes
it so the scripts always get installed.

Signed-off-by: Jeremy Katz <katzj@redhat.com>

tools/examples/Makefile

@@ -44,7 +44,7 @@ install-configs: $(XEN_CONFIGS)
 	[ -d $(DESTDIR)$(XEN_CONFIG_DIR)/auto ] || \
 		$(INSTALL_DIR) $(DESTDIR)$(XEN_CONFIG_DIR)/auto
 	for i in $(XEN_CONFIGS); \
-	    do [ -a $(DESTDIR)$(XEN_CONFIG_DIR)/$$i ] || \
+	    do [ -e $(DESTDIR)$(XEN_CONFIG_DIR)/$$i ] || \
 	    $(INSTALL_DATA) $$i $(DESTDIR)$(XEN_CONFIG_DIR); \
 	done
 
@@ -52,7 +52,7 @@ install-scripts:
 	[ -d $(DESTDIR)$(XEN_SCRIPT_DIR) ] || \
 		$(INSTALL_DIR) $(DESTDIR)$(XEN_SCRIPT_DIR)
 	for i in $(XEN_SCRIPTS); \
-	    do [ -a $(DESTDIR)$(XEN_SCRIPT_DIR)/$$i ] || \
+	    do \
 	    $(INSTALL_PROG) $$i $(DESTDIR)$(XEN_SCRIPT_DIR); \
 	done