doc: Use wildcard instead of explicit file list
As per request here:
NB: Using wildcards for dependencies with Automake is not recommended
and should be considered fragile. However, for this particular case it
seems to work.
@@ -2,12 +2,8 @@ man_MANS = memcached.1
SPECIFICATIONS = protocol-binary.txt protocol-binary-range.txt
-EXTRA_DIST = new_lru.txt \
- protocol.txt \
- readme.txt \
- storage.txt \
- threads.txt \
- tls.txt
+EXTRA_DIST = $(srcdir)/*.txt
+
# When we make dist always include the generated specifications so people don't
# have to have xml2rfc and xsltproc installed
EXTRA_DIST += $(SPECIFICATIONS)
