"t/check12.sh" was failing because files declared in DEJATOOL are not
automatically distributed. The test running 'make distcheck' couldn't succeed
since some scripts were not distributed. This fixes automake bug#26738.
* t/check12.sh (Makefile.am): Distribute files from DEJATOOL.
AUTOMAKE_OPTIONS += dejagnu
DEJATOOL = hammer spanner
AM_RUNTESTFLAGS = HAMMER=$(srcdir)/hammer SPANNER=$(srcdir)/spanner
+EXTRA_DIST += $(DEJATOOL)
EXTRA_DIST += hammer.test/hammer.exp
EXTRA_DIST += spanner.test/spanner.exp
END