[UNIKRAFT/LIB-NGINX PATCH] Makefile.uk: Bump NGINX to v1.18.0

[Alexander Jung <a.jung@xxxxxxxxxxx>]

This commit:

 * increases the current version of NGINX;
 * sources the contents from GitHub;
 * tidies up the use of BASENAME in the patch method.

Signed-off-by: Alexander Jung <a.jung@xxxxxxxxxxx>
---
 Makefile.uk | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile.uk b/Makefile.uk
index 812bdcd..813ca22 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -44,12 +44,12 @@ $(eval $(call addlib_s,libnginx,$(CONFIG_LIBNGINX)))
 
################################################################################
 # Sources
 
################################################################################
-LIBNGINX_VERSION = 1.15.6
+LIBNGINX_VERSION = 1.18.0
 LIBNGINX_BASENAME = nginx-$(LIBNGINX_VERSION)
-LIBNGINX_URL = http://nginx.org/download/$(LIBNGINX_BASENAME).tar.gz
+LIBNGINX_URL = 
https://github.com/nginx/nginx/archive/release-v$(LIBNGINX_VERSION).tar.gz
 LIBNGINX_PATCHDIR = $(LIBNGINX_BASE)/patches
 $(eval $(call fetch,libnginx,$(LIBNGINX_URL)))
-$(eval $(call patch,libnginx,$(LIBNGINX_PATCHDIR),nginx-$(LIBNGINX_VERSION)))
+$(eval $(call patch,libnginx,$(LIBNGINX_PATCHDIR),$(LIBNGINX_BASENAME)))
 
 
################################################################################
 # Helpers
-- 
2.11.0