backport to old numpy version.

theano/gof/cmodule.py

@@ -1709,6 +1709,7 @@ class GCC_compiler(object):
         # numpy 1.7 deprecated the following macro but the new one didn't
         # existed in the past
         if bool(numpy_ver < [1, 7]):
+            cxxflags.append("-D NPY_ARRAY_ENSUREARRAY=NPY_ENSUREARRAY")
             cxxflags.append("-D NPY_ARRAY_ENSURECOPY=NPY_ENSURECOPY")
             cxxflags.append("-D NPY_ARRAY_ALIGNED=NPY_ALIGNED")
             cxxflags.append("-D NPY_ARRAY_WRITEABLE=NPY_WRITEABLE")