Make fonts look betterer on linux

indra/llrender/llfontfreetype.cpp

@@ -608,9 +608,7 @@ void LLFontFreetype::renderGlyph(U32 glyph_index) const
 	if (mFTFace == NULL)
 		return;
 
-	llassert_always(! FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_FORCE_AUTOHINT) );
-
-	llassert_always(! FT_Render_Glyph(mFTFace->glyph, gFontRenderMode) );
+	llassert_always(! FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_DEFAULT | FT_LOAD_RENDER | FT_LOAD_TARGET_LIGHT) );
 
 	mRenderGlyphCount++;
 }