cache: id means static, even if head is specified too

Pages like /commit?h=wip&id=8a335ce618ba77fbf05148d6f8be17bd48ba4340
were being marked as dynamic, because of h=wip, when it should be
static, because of id=.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
1 file changed