https://bugs.gentoo.org/939996
https://github.com/Open-Cascade-SAS/OCCT/commit/7236e83dcc1e7284e66dc61e612154617ef715d6

From 7236e83dcc1e7284e66dc61e612154617ef715d6 Mon Sep 17 00:00:00 2001
From: dpasukhi <dpasukhi@opencascade.com>
Date: Tue, 27 Aug 2024 11:33:29 +0100
Subject: [PATCH] 0033808: Coding - FreeType Use unsigned point and contour
 indexing in `FT_Outline`

Changes to auto instead of specific type
--- a/src/StdPrs/StdPrs_BRepFont.cxx
+++ b/src/StdPrs/StdPrs_BRepFont.cxx
@@ -457,7 +457,7 @@ Standard_Boolean StdPrs_BRepFont::renderGlyph (const Standard_Utf32Char theChar,
   for (short aContour = 0, aStartIndex = 0; aContour < anOutline->n_contours; ++aContour)
   {
     const FT_Vector* aPntList = &anOutline->points[aStartIndex];
-    const char* aTags      = &anOutline->tags[aStartIndex];
+    const auto* aTags      = &anOutline->tags[aStartIndex];
     const short anEndIndex = anOutline->contours[aContour];
     const short aPntsNb    = (anEndIndex - aStartIndex) + 1;
     aStartIndex = anEndIndex + 1;