OpenSUSE 15.1: Use localstatedir when runstatedir is not available

automake package available for OpenSUSE 15.1 does not set runstatedir macro.
So use localstatedir when runstatedir is not available.

Signed-off-by: Aline Manera <aline.manera@gmail.com>

config.py.in

@@ -38,7 +38,8 @@ __release__ = "@kimchirelease@"
 READONLY_POOL_TYPE = ['iscsi', 'scsi', 'mpath']
 
 def get_libvirt_path():
-    return os.path.join("@runstatedir@", 'libvirt')
+    run_state_dir = "@runstatedir@" if "@runstatedir@" else "@localstatedir@/run"
+    return os.path.join(run_state_dir, 'libvirt')
 
 def get_kimchi_version():
     return "-".join([__version__, __release__])