Fix misleading variable type

We port libgd/libgd@0414bb2da0b27d90b6125bd34a3e2cfb89fd3f42.

diff --git a/ext/gd/libgd/gd_interpolation.c b/ext/gd/libgd/gd_interpolation.c
index 138d2bf3b248e308440a68f44e7657768b064512..ba5db679b03ff40e2caaa869a88ac27a827ef7f0 100644 (file)
--- a/ext/gd/libgd/gd_interpolation.c
+++ b/ext/gd/libgd/gd_interpolation.c
@@ -1321,8 +1321,8 @@ static gdImagePtr gdImageScaleBilinearTC(gdImagePtr im, const unsigned int new_w
                        gdFixed f_j = gd_itofx(j);
                        gdFixed f_a = gd_mulfx(f_i, f_dy);
                        gdFixed f_b = gd_mulfx(f_j, f_dx);
-                       const gdFixed m = gd_fxtoi(f_a);
-                       const gdFixed n = gd_fxtoi(f_b);
+                       const long m = gd_fxtoi(f_a);
+                       const long n = gd_fxtoi(f_b);
                        gdFixed f_f = f_a - gd_itofx(m);
                        gdFixed f_g = f_b - gd_itofx(n);