--- svgalib-1.9.25.org/utils/gtf/gtfcalc.c	2009-08-05 13:05:26.473160060 +0530
+++ svgalib-1.9.25/utils/gtf/gtfcalc.c	2009-08-05 13:05:41.876227891 +0530
@@ -64,7 +64,7 @@
 
 /*-------------------------- Implementation -------------------------------*/
 
-static double round(double v)
+double round(double v)
 {
 	return floor(v + 0.5);
 }