removed unnecessary LDADD

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac241@2501 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/bench/example/Makefile.am

@@ -6,4 +6,4 @@ noinst_PROGRAMS = search_bench
 search_bench_SOURCES = search_bench.cc
 
 search_bench_LDADD = $(top_builddir)/src/lib/exceptions/libexceptions.la
-search_bench_LDADD += $(top_builddir)/src/lib/bench/libbench.la
+