Reorder --with-ipv6 for similarity with rpm specs

debian/rules

diff --git a/debian/rules b/debian/rules
index 8fe9d76..b826179 100755
--- a/debian/rules
+++ b/debian/rules
@@ -49,10 +49,10 @@
 		--with-mail \
 		--with-mail_ssl_module \
 		--with-file-aio \
+		--with-ipv6 \
 		$(WITH_SPDY) \
 		--with-cc-opt="$(CFLAGS)" \
-		--with-ld-opt="$(LDFLAGS)" \
-		--with-ipv6
+		--with-ld-opt="$(LDFLAGS)"
 	dh_auto_build
 
 configure_debug:
@@ -87,10 +87,10 @@
 		--with-mail \
 		--with-mail_ssl_module \
 		--with-file-aio \
+		--with-ipv6 \
 		$(WITH_SPDY) \
 		--with-cc-opt="$(CFLAGS)" \
 		--with-ld-opt="$(LDFLAGS)" \
-		--with-ipv6 \
 		--with-debug
 
 override_dh_auto_install: