package/nginx: bump version to 1.15.12

The license file hash has been modified due to copyright year updates:

- * Copyright (C) 2002-2018 Igor Sysoev
- * Copyright (C) 2011-2018 Nginx, Inc.
+ * Copyright (C) 2002-2019 Igor Sysoev
+ * Copyright (C) 2011-2019 Nginx, Inc.

Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/nginx/0005-auto-unix-make-sys_nerr-guessing-cross-friendly.patch

@@ -109,7 +109,7 @@ diff --git a/auto/unix b/auto/unix
 index 7dbf9d1..00a7370 100755
 --- a/auto/unix
 +++ b/auto/unix
-@@ -708,6 +708,10 @@ ngx_feature_incs='#include <errno.h>
+@@ -736,6 +736,10 @@ ngx_feature_incs='#include <errno.h>
                    #include <stdio.h>'
  ngx_feature_path=
  ngx_feature_libs=
@@ -120,7 +120,7 @@ index 7dbf9d1..00a7370 100755
  ngx_feature_test='printf("%d", sys_nerr);'
  . auto/feature
  
-@@ -756,6 +760,12 @@ if [ $ngx_found = no ]; then
+@@ -784,6 +788,12 @@ if [ $ngx_found = no ]; then
      . auto/feature
  fi
  

package/nginx/nginx.hash

@@ -1,4 +1,4 @@
 # Locally calculated after checking pgp signature
-sha256	8f22ea2f6c0e0a221b6ddc02b6428a3ff708e2ad55f9361102b1c9f4142bdf93	nginx-1.15.7.tar.gz
+sha256	3d5b90aa17de1700709ae4ec6c4d73d87c888b06c510391bf7104b006fdb2abe	nginx-1.15.12.tar.gz
 # License files, locally calculated
-sha256	e18f05bcaad47528f8b21861d4a0fb9815ca1bbb4be946c51a51d36623758bcc	LICENSE
+sha256	28ad30e2f64bd89ac1287b4606906bb99ed04d9f4e13fb6564a0be9c8a23f509	LICENSE

package/nginx/nginx.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-NGINX_VERSION = 1.15.7
+NGINX_VERSION = 1.15.12
 NGINX_SITE = http://nginx.org/download
 NGINX_LICENSE = BSD-2-Clause
 NGINX_LICENSE_FILES = LICENSE