Core/Guild: Fix guild xp tab visualization after being rewar

diff --git a/src/server/game/Guilds/Guild.cpp b/src/server/game/Guilds/Guild.cpp
index 02fdebc..1dd7fa9 100644
--- a/src/server/game/Guilds/Guild.cpp
+++ b/src/server/game/Guilds/Guild.cpp
@@ -3601,14 +3601,16 @@ void Guild::GiveXP(uint32 xp, Player* source)

         ++oldLevel;
     }
+
+    SendGuildXP(source->GetSession());
 }

 void Guild::SendGuildXP(WorldSession* session) const
 {
-    WorldPacket data(SMSG_GUILD_XP, 40);
-    data << uint64(GetExperience());
+    WorldPacket data(SMSG_GUILD_XP, 32); // 40??
+    data << uint64(0); // unk
     data << uint64(sGuildMgr->GetXPForGuildLevel(GetLevel()) - GetExperience());    // XP missing for next level
-    data << uint64(0); // fucking unknow
+    data << uint64(GetExperience()); // fucking unknow
     data << uint64(GetTodayExperience());
     session->SendPacket(&data);
 }