--- ftgl-2.4.0/src/FTVectoriser.cpp.orig	2019-02-07 22:39:58.000000000 +0100
+++ ftgl-2.4.0/src/FTVectoriser.cpp	2025-03-13 16:49:54.366160521 +0100
@@ -168,7 +168,7 @@
     for(int i = 0; i < ftContourCount; ++i)
     {
         FT_Vector* pointList = &outline.points[startIndex];
-        char* tagList = &outline.tags[startIndex];
+        unsigned char* tagList = &outline.tags[startIndex];
 
         endIndex = outline.contours[i];
         contourLength =  (endIndex - startIndex) + 1;
--- ftgl-2.4.0/src/FTContour.h	2019-02-07 22:39:58.000000000 +0100
+++ ftgl/src/FTContour.h	2025-03-13 16:49:54.335442355 +0100
@@ -52,7 +52,7 @@
          * @param pointTags
          * @param numberOfPoints
          */
-        FTContour(FT_Vector* contour, char* pointTags, unsigned int numberOfPoints);
+        FTContour(FT_Vector* contour, unsigned char* pointTags, unsigned int numberOfPoints);
 
         /**
          * Destructor