THRIFT-503. cpp: Move the tests built by "make check" under lib/cpp

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@991246 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/cpp/Makefile.am b/lib/cpp/Makefile.am
index e83b182..664a58a 100644
--- a/lib/cpp/Makefile.am
+++ b/lib/cpp/Makefile.am
@@ -17,6 +17,8 @@
 # under the License.
 #
 
+SUBDIRS = . test
+
 pkgconfigdir = $(libdir)/pkgconfig
 
 lib_LTLIBRARIES = libthrift.la