crash upon ctl-scrollwheel up and down

Summary:

changing size via ctl-scrollwheel will crash Inkscape if done repeatedly

... (write here)

Steps to reproduce:

create a rectangle in an Inkscape document, select it, while holding down 'contrl' key, scroll mouse wheel up and down

What happened?

Inkscape locks up

What should have happened?

view should zoom in and out with scrolling

Sample attachments:

Version info

commit 1b00dccafdf548cbc444dedc5b25cde8b574e4d8 (HEAD -> master, origin/master,