Freetype 2.1 and later align bitmap pitch on boundaries of 2 bytes. It is

therefore necessary to use glPixelStorei(..,UNPACK_..., 2).  There is an
#if() statement that allows the continued use of freetype 2.0 (Rh 7.x), as
well as accomodating newer releases.

src/osgText/FTBitmapGlyph.cpp

@@ -39,6 +39,7 @@ FTBitmapGlyph::FTBitmapGlyph( FT_Glyph glyph)
     
     data = osgNew unsigned char[srcPitch * destHeight];
     
+    // !!!! THIS assumes a positive Pitch value.  No allowance for negative pitch
     for(int y = 0; y < srcHeight; ++y)
     {
         --destHeight;