[SSSD] [PATCH] Don't use srcdir with tests

Without this patch I can't build SSSD for rawhide as new autoconf versions error out when $(srcdir) is used in TESTS: Makefile.am:149: error: using '$(srcdir)' in TESTS is currently broken: '$(srcdir)/src/config/SSSDConfigTest.py' parallel-tests: installing 'build/test-driver' Makefile.am:149: error: using '$(srcdir)' in TESTS is currently broken: '$(srcdir)/src/tests/pyhbac-test.py' Makefile.am:149: error: using '$(srcdir)' in TESTS is currently broken: '$(srcdir)/src/tests/pysss_murmur-test.py' Not using srcdir is OK as the GNU manual states: "Automake ensures that each file listed in TESTS is built before it is run; you can list both source and derived programs (or scripts) in TESTS; the generated rule will look both in srcdir and .." This is an excerpt from: http://www.gnu.org/software/automake/manual/automake.html#Scripts_002dbas...