Added some extern delcarations; without them, it did not compile on Xenix

diff --git a/util/ncgg/output.c b/util/ncgg/output.c
index b836f45..c7997a3 100644 (file)
--- a/util/ncgg/output.c
+++ b/util/ncgg/output.c
@@ -855,6 +855,7 @@ used(resource,use,max) char *resource; {
 
 statistics() {
        extern char *end,*sbrk();
+       extern int nnodes, maxempatlen,maxrule;
 
        used("Registers",nregs,MAXREGS);
        used("Properties",nprops,MAXPROPS);