fix Mac failing build

Author: pwilkin

tools/cli/cli-remote.cpp

@@ -71,7 +71,8 @@ cli_backend_remote::cli_backend_remote(const std::string & url) : endpoint_url(u
 bool cli_backend_remote::connect() {
     // query /props to get server metadata
     try {
-        auto [cli, parts] = common_http_client(endpoint_url);
+        auto http_res = common_http_client(endpoint_url);
+        httplib::Client & cli = http_res.first;
         cli.set_connection_timeout(5, 0);
         cli.set_read_timeout(10, 0);
 
@@ -161,7 +162,8 @@ std::string cli_backend_remote::generate_completion(
     bool is_thinking = false;
 
     try {
-        auto [cli, parts] = common_http_client(endpoint_url);
+        auto http_res = common_http_client(endpoint_url);
+        httplib::Client cli = std::move(http_res.first);
         cli.set_connection_timeout(10, 0);
         cli.set_read_timeout(600, 0); // 10 min read timeout for long generations
         cli.set_write_timeout(10, 0);