VideoCommon: Fix custom texture count in OSD message

83dc468 broke the OSD message that shows the number of custom textures.
If Prefetch Custom Textures was disabled, the number would always be 0.

Source/Core/VideoCommon/HiresTextures.cpp

@@ -144,9 +144,17 @@ void HiresTexture::Update()
       SConfig::GetInstance().GetGameIDsForTextures();
   const std::string game_id_display = fmt::format("{}", fmt::join(game_ids_for_textures, "' or '"));
 
-  const auto message = fmt::format("{} '{}' custom textures for '{}'",
-                                   g_ActiveConfig.bCacheHiresTextures ? "Preloading" : "Found",
-                                   s_hires_texture_cache.size(), game_id_display);
+  std::string message;
+  if (g_ActiveConfig.bCacheHiresTextures)
+  {
+    message = fmt::format("Preloading '{}' custom textures for '{}'", s_hires_texture_cache.size(),
+                          game_id_display);
+  }
+  else
+  {
+    message = fmt::format("Found '{}' custom textures for '{}'",
+                          s_hires_texture_id_to_arbmipmap.size(), game_id_display);
+  }
   OSD::AddMessage(message, 10000);
 }