--- libgd-2.1.0.orig/src/gd_bmp.c	2013-06-25 11:58:23.000000000 +0200
+++ libgd-2.1.0/src/gd_bmp.c	2013-12-08 16:23:11.000000000 +0100
@@ -792,7 +792,7 @@ static int bmp_read_1bit(gdImagePtr im,
 	}
 
 	/* The line must be divisible by 4, else its padded with NULLs */
-	padding = ((int)ceill(0.1 * info->width)) % 4;
+	padding = ((int)ceil(0.1 * info->width)) % 4;
 	if (padding) {
 		padding = 4 - padding;
 	}