diff -urN mawk-1.3.3.org/fcall.c mawk-1.3.3/fcall.c
--- mawk-1.3.3.org/fcall.c	1995-08-27 17:46:47.000000000 +0200
+++ mawk-1.3.3/fcall.c	2006-02-03 18:36:17.000000000 +0100
@@ -203,7 +203,7 @@
 }
 
 
-FCALL_REC *resolve_list ;
+FCALL_REC *resolve_list = NULL;
  /* function calls whose arg types need checking
 	   are stored on this list */