Fix vertical character alignment in some cases

The y-position of a character found by asking fontconfig for a matching
font does not take the border pixels into account, resulting in a
slightly misaligned vertical position.

Signed-off-by: Ton van den Heuvel <tonvandenheuvel@gmail.com>
Signed-off-by: Christoph Lohmann <20h@r-36.net>

st.c

@@ -3671,7 +3671,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 		specs[numspecs].font = frc[f].font;
 		specs[numspecs].glyph = glyphidx;
 		specs[numspecs].x = (short)xp;
-		specs[numspecs].y = (short)(winy + frc[f].font->ascent);
+		specs[numspecs].y = (short)yp;
 		xp += runewidth;
 		numspecs++;
 	}