[master] add naptr_35 files to the distribution

Noticed on the distcheck builder.
I didn't test the distcheck, just the dist target.

src/lib/dns/Makefile.am

@@ -31,6 +31,8 @@ EXTRA_DIST += rdata/generic/ds_43.cc
 EXTRA_DIST += rdata/generic/ds_43.h
 EXTRA_DIST += rdata/generic/mx_15.cc
 EXTRA_DIST += rdata/generic/mx_15.h
+EXTRA_DIST += rdata/generic/naptr_35.cc
+EXTRA_DIST += rdata/generic/naptr_35.h
 EXTRA_DIST += rdata/generic/ns_2.cc
 EXTRA_DIST += rdata/generic/ns_2.h
 EXTRA_DIST += rdata/generic/nsec3_50.cc