Fix the linking so only cfd is linked with pthreads. This keeps cfengine
from trying to use thread-unsafe resolver functions.

--- src/Makefile.am.orig	Fri Aug 10 23:58:47 2001
+++ src/Makefile.am	Fri Aug 10 23:59:07 2001
@@ -95,6 +95,7 @@
 	patches.c
 
 cfd_LDADD = -L../pub -lpub $(LEXLIB)
+cfd_LDFLAGS = -pthread $(LDFLAGS)
 
 cfrun_SOURCES =								\
 	cfrun.c								\