Adjust path to accerciser's modules to look in vendor-packages instead
of in site-packages, to match where we install on Solaris.

Not suitable for upstream as-is, would need modification to follow
$(pkgpythondir) from configure instead.

--- accerciser-3.14.0/src/accerciser.in	2014-08-18 15:03:29.000000000 -0700
+++ accerciser-3.14.0/src/accerciser.in	2016-08-30 22:54:41.210135315 -0700
@@ -36,7 +36,7 @@
 # use __file__ and for now hope that lib is relative to bin.
 sys.prefix = '@prefix@'
 libs = os.path.join(sys.prefix, 'lib',
-                    'python@PYTHON_VERSION@', 'site-packages')
+                    'python@PYTHON_VERSION@', 'vendor-packages')
 # point to the proper site-packages path
 sys.path.insert(1, libs)