Bug#22139 undefined reference to `my_memmem' when compiling tests/mysql_client_test

- Build mysql_client_test from mysql_client_test.c and mysys/my_memmem.c

tests/Makefile.am

@@ -42,14 +42,11 @@ INCLUDES =		-I$(top_builddir)/include -I$(top_srcdir)/include \
 LIBS =			@CLIENT_LIBS@
 LDADD =			@CLIENT_EXTRA_LDFLAGS@ \
                         $(top_builddir)/libmysql/libmysqlclient.la
-if HAVE_NETWARE
+
 mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS)
 mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix) \
-			../mysys/my_memmem.c
-else
-mysql_client_test_LDADD= $(LDADD) $(CXXLDFLAGS) -L../mysys -lmysys
-mysql_client_test_SOURCES= mysql_client_test.c $(yassl_dummy_link_fix)
-endif
+			$(top_srcdir)/mysys/my_memmem.c
+
 insert_test_SOURCES=       insert_test.c $(yassl_dummy_link_fix)
 select_test_SOURCES=       select_test.c $(yassl_dummy_link_fix)
 insert_test_DEPENDENCIES=	$(LIBRARIES) $(pkglib_LTLIBRARIES)