Fix MKL linking on Windows.

theano/configdefaults.py

@@ -1359,7 +1359,7 @@ def default_blas_ldflags():
         else:
             # This branch is executed if no exception was raised
             if sys.platform == "win32":
-                lib_path = [os.path.join(sys.prefix, 'Library', 'bin')]
+                lib_path = os.path.join(sys.prefix, 'Library', 'bin')
                 flags = ['-L"%s"' % lib_path]
             else:
                 lib_path = blas_info.get('library_dirs', [])