--- astronomical-almanac-5.6.orig/sat404.c
+++ astronomical-almanac-5.6/sat404.c
@@ -1487,7 +1487,7 @@
 
 };
 
-static char FAR args[] = {
+static char SIGNED FAR args[] = {
   0,  7,
   3,  2,  5, -6,  6,  3,  7,  0,
   2,  2,  5, -5,  6,  5,