http2: fix compiling with --debug-http2

Backport-PR-URL: #18050
Backport-PR-URL: #20456
PR-URL: #17863
Fixes: #17840
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

src/node_http2.cc

@@ -174,47 +174,47 @@ void Http2Session::Http2Settings::Init() {
 
   if (flags & (1 << IDX_SETTINGS_HEADER_TABLE_SIZE)) {
     uint32_t val = buffer[IDX_SETTINGS_HEADER_TABLE_SIZE];
-    DEBUG_HTTP2SESSION2(session, "setting header table size: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting header table size: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
     entries_[n].value = val;
     n++;
   }
 
   if (flags & (1 << IDX_SETTINGS_MAX_CONCURRENT_STREAMS)) {
     uint32_t val = buffer[IDX_SETTINGS_MAX_CONCURRENT_STREAMS];
-    DEBUG_HTTP2SESSION2(session, "setting max concurrent streams: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting max concurrent streams: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
     entries_[n].value = val;
     n++;
   }
 
   if (flags & (1 << IDX_SETTINGS_MAX_FRAME_SIZE)) {
     uint32_t val = buffer[IDX_SETTINGS_MAX_FRAME_SIZE];
-    DEBUG_HTTP2SESSION2(session, "setting max frame size: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting max frame size: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_MAX_FRAME_SIZE;
     entries_[n].value = val;
     n++;
   }
 
   if (flags & (1 << IDX_SETTINGS_INITIAL_WINDOW_SIZE)) {
     uint32_t val = buffer[IDX_SETTINGS_INITIAL_WINDOW_SIZE];
-    DEBUG_HTTP2SESSION2(session, "setting initial window size: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting initial window size: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE;
     entries_[n].value = val;
     n++;
   }
 
   if (flags & (1 << IDX_SETTINGS_MAX_HEADER_LIST_SIZE)) {
     uint32_t val = buffer[IDX_SETTINGS_MAX_HEADER_LIST_SIZE];
-    DEBUG_HTTP2SESSION2(session, "setting max header list size: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting max header list size: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE;
     entries_[n].value = val;
     n++;
   }
 
   if (flags & (1 << IDX_SETTINGS_ENABLE_PUSH)) {
     uint32_t val = buffer[IDX_SETTINGS_ENABLE_PUSH];
-    DEBUG_HTTP2SESSION2(session, "setting enable push: %d\n", val);
+    DEBUG_HTTP2SESSION2(session_, "setting enable push: %d\n", val);
     entries_[n].settings_id = NGHTTP2_SETTINGS_ENABLE_PUSH;
     entries_[n].value = val;
     n++;