small comment fix (this was not todo, we're not leaking memory here)

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1560 7f0cb862-5218-0410-a997-914c9d46530a

freeglut/freeglut/src/fg_geometry.c

@@ -478,8 +478,8 @@ static void fghGenerateNormalVisualization(GLfloat *vertices, GLfloat *normals,
                                            GLushort *vertIdxs, GLsizei numParts, GLsizei numVertIdxsPerPart)
 {
     GLushort i,j;
-    /* calc number of vertices to generate, allocate. TODO: FREE again after draw!
-     * two for each vertex in the input shape
+    /* calc number of vertices to generate, allocate. Must be freed by caller
+     * We do the free at the end of fghDrawNormalVisualization11/fghDrawNormalVisualization20
      */
     if (!vertIdxs)
         numNormalVertices = numVertices * 2;