(Fopen_font): Compute pixel size correctly.

diff --git a/src/font.c b/src/font.c
index ce70913..b933007 100644 (file)
--- a/src/font.c
+++ b/src/font.c
@@ -4480,7 +4480,7 @@ DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0,
     {
       CHECK_NUMBER_OR_FLOAT (size);
       if (FLOATP (size))
-       isize = POINT_TO_PIXEL (- isize, XFRAME (frame)->resy);
+       isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy);
       else
        isize = XINT (size);
       if (isize == 0)