tests/test-revlog-raw.py.out

hgweb: fix type of {nav} keyword when linerange filter is active

Spotted by making '%' operator check the operand type more strictly. Before,
"{nav}" would be evaluated to a lazy "" (empty string) and {"" % x} would
yield one empty string.

local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed