Added auth request to win32 builds.

misc/GNUmakefile

@@ -76,6 +76,7 @@ win32:
 		--with-http_mp4_module					\
 		--with-http_gunzip_module				\
 		--with-http_gzip_static_module				\
+		--with-http_auth_request_module				\
 		--with-http_random_index_module				\
 		--with-http_secure_link_module				\
 		--with-mail						\