drawops: Remove always-false check in generic_fill_ellipse()

x1 is u32, so it can never be negative.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/drawops/generic.c b/drawops/generic.c
index ba8154b..e81dea1 100644
--- a/drawops/generic.c
+++ b/drawops/generic.c
@@ -467,8 +467,6 @@
 		    dS2 += 4*b2;
 		    dT2 += 4*b2;
 		    x1--;
-		    if (x1 < 0)
-			break;
 		    y1++;
 		    fill_ellipse_points(x, y, x1, y1, pixel);
 		} else {