g.extension: attempt to fix ETC var

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@63273 15284696-431f-4ddb-bdfa-cd5b030d7da7

scripts/g.extension/g.extension.py

@@ -763,7 +763,7 @@ def install_extension_other(name):
                'MANDIR=%s' % dirs['man'],
                'SCRIPTDIR=%s' % dirs['script'],
                'STRINGDIR=%s' % dirs['string'],
-               'ETC=%s' % os.path.join(dirs['etc'], name)
+               'ETC=%s' % os.path.join(dirs['etc'])
     ]
     
     installCmd = ['make',