Log texture diags when loading a screen, not when pushing, so we don't cause a skip when pushing a prepared screen.

stepmania/src/ScreenManager.cpp

@@ -521,6 +521,8 @@ void ScreenManager::PrepareScreen( const CString &sScreenName )
 			g_vPreparedBackgrounds.push_back( pActor );
 		}
 	}
+
+	TEXTUREMAN->DiagnosticOutput();
 }
 
 void ScreenManager::GroupScreen( const CString &sScreenName )
@@ -680,8 +682,6 @@ void ScreenManager::LoadDelayedScreen()
 	if( bTimeToDeleteScreens && !PREFSMAN->m_bDelayedScreenLoad )
 		DeletePreparedScreens();
 
-	TEXTUREMAN->DiagnosticOutput();
-
 	LOG->Trace("... PushScreen");
 	PushLoadedScreen( ls );