[master] Move GTEST_LDADD to the bottom of the list

tests/tools/perfdhcp/tests/Makefile.am

@@ -39,12 +39,12 @@ if USE_CLANGPP
 run_unittests_CXXFLAGS = -Wno-unused-parameter
 endif
 
-run_unittests_LDADD  = $(GTEST_LDADD)
-run_unittests_LDADD += $(top_builddir)/src/lib/util/libb10-util.la
+run_unittests_LDADD  = $(top_builddir)/src/lib/util/libb10-util.la
 run_unittests_LDADD += $(top_builddir)/src/lib/exceptions/libb10-exceptions.la
 run_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libb10-asiolink.la
 run_unittests_LDADD += $(top_builddir)/src/lib/dhcp/libb10-dhcp++.la
 run_unittests_LDADD += $(top_builddir)/src/lib/util/unittests/libutil_unittests.la
+run_unittests_LDADD += $(GTEST_LDADD)
 endif
 
 noinst_PROGRAMS = $(TESTS)