[wesnoth-commits] [wesnoth/wesnoth] 3545a3: check for nullptr before calling SDL_DestroyRenderer

[gfgtdf]

  Branch: refs/heads/1.14
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 3545a3e48dec31abb651fd0b6ba4fb7052da5941
      https://github.com/wesnoth/wesnoth/commit/3545a3e48dec31abb651fd0b6ba4fb7052da5941
  Author: gfgtdf <daniel.gfgtdf at gmail.com>
  Date:   2020-04-10 (Fri, 10 Apr 2020)

  Changed paths:
    M src/gui/core/canvas.cpp

  Log Message:
  -----------
  check for nullptr before calling SDL_DestroyRenderer

This caused an assertion failure inside SDL_DestroyRenderer, see #4844