www-servers/nginx: Rev bump to fix http_cache_purge module

Closes: https://bugs.gentoo.org/635330
Package-Manager: Portage-2.3.11, Repoman-2.3.3

www-servers/nginx/files/http_cache_purge-1.11.6+.patch

@@ -0,0 +1,22 @@
+Fix compatibility with nginx-1.11.6+
+
+https://github.com/FRiCKLE/ngx_cache_purge/pull/51
+
+---
+ ngx_cache_purge_module.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+--- a/ngx_cache_purge_module.c
++++ b/ngx_cache_purge_module.c
+@@ -492,7 +492,11 @@ typedef struct {
+     ngx_str_t                      body_source;
+ #  endif /* nginx_version < 1007008 */
+ 
++#  if (nginx_version >= 1011006)
++    ngx_http_complex_value_t      *method;
++#  else
+     ngx_str_t                      method;
++#  endif /* nginx_version >= 1011006 */
+     ngx_str_t                      location;
+     ngx_str_t                      url;
+