register: Fix whitespace.
register: Fix whitespace.

This would have been included in my previous set of commits fixing
/register, but was delayed because of
the templating bug fixed in d0492b103b2c1db6c0314cb82bc28a84959d4b02.

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