$NetBSD$

fix void main.

--- Config/autoconf~	1998-03-22 23:26:53.000000000 +0000
+++ Config/autoconf
@@ -6,7 +6,7 @@ touch Config test.h config.h config.outp
 # Test for broken include files (SunOS)
 
 echo "#include <stdio.h>" > test.c
-echo "void main() { fprintf(stderr,\"hello\"); }" >> test.c
+echo "int main() { fprintf(stderr,\"hello\"); return 0; }" >> test.c
 if gcc -Wall -c test.c 2>config.output; then
   if grep -q implicit config.output; then
     echo "Some function prototypes seem to be missing"
