--- libgputils/gpwritehex.c.str	2010-01-28 15:56:29.000000000 +0100
+++ libgputils/gpwritehex.c	2010-01-28 15:56:40.000000000 +0100
@@ -65,7 +65,7 @@
 static void end_record()
 {
   write_byte((-sum) & 0xff);
-  fprintf(hex, newline);
+  fprintf(hex, "%s", newline);
 }
 
 void data_line(int start, int stop, int mode)