Makefile: exclude Judy-depending libraries as well as nfs

(nfs gives warnings on build, make ccanlint unhappy).

Makefile

@@ -12,7 +12,7 @@
 
 # Trying to build the whole repo is usually a lose; there will be some
 # dependencies you don't have.
-EXCLUDE=wwviaudio ogg_to_pcm
+EXCLUDE=wwviaudio ogg_to_pcm jmap jbitset nfs
 
 # Where make scores puts the results
 SCOREDIR=scores/$(shell whoami)/$(shell uname -s)-$(shell uname -m)-$(CC)