stats: Fix Other calculation.
stats: Fix Other calculation.

In commit 2248d4d9a4e41a94d245612f69a407ff25000f31 (#13883) I
incorrectly migrated a loop.  Fixes #14052.

Signed-off-by: Anders Kaseorg <dfdb7392591db597bc41cf266a9c3bc12a2706e5@zulipchat.com>

zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,kou/zulip,showell/zulip,synicalsyntax/zulip,hackerkid/zulip,eeshangarg/zulip,hackerkid/zulip,rht/zulip,andersk/zulip,showell/zulip,brainwane/zulip,punchagan/zulip,rht/zulip,timabbott/zulip,rht/zulip,zulip/zulip,kou/zulip,hackerkid/zulip,shubhamdhama/zulip,punchagan/zulip,timabbott/zulip,brainwane/zulip,zulip/zulip,hackerkid/zulip,showell/zulip,rht/zulip,hackerkid/zulip,showell/zulip,punchagan/zulip,timabbott/zulip,shubhamdhama/zulip,zulip/zulip,showell/zulip,synicalsyntax/zulip,hackerkid/zulip,brainwane/zulip,timabbott/zulip,synicalsyntax/zulip,punchagan/zulip,hackerkid/zulip,shubhamdhama/zulip,eeshangarg/zulip,synicalsyntax/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,zulip/zulip,brainwane/zulip,rht/zulip,brainwane/zulip,eeshangarg/zulip,punchagan/zulip,synicalsyntax/zulip,eeshangarg/zulip,brainwane/zulip,timabbott/zulip,synicalsyntax/zulip,kou/zulip,timabbott/zulip,shubhamdhama/zulip,eeshangarg/zulip,andersk/zulip,zulip/zulip,andersk/zulip,shubhamdhama/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,synicalsyntax/zulip,rht/zulip,showell/zulip,andersk/zulip,punchagan/zulip,kou/zulip,kou/zulip,punchagan/zulip,brainwane/zulip,kou/zulip,eeshangarg/zulip,shubhamdhama/zulip,showell/zulip