footprint wizard: no update after toggle Bool flag

[Eldar Khayrullin]

If toggle Bool flag nothing update only if no press to toggle button field.

Application: kicad
Version: no-vcs-found-7695~57~ubuntu16.10.1, release build
Libraries: wxWidgets 3.0.2
           libcurl/7.50.1 OpenSSL/1.0.2g zlib/1.2.8 libidn/1.33 librtmp/2.3
Platform: Linux 4.8.0-38-generic x86_64, 64 bit, Little endian, wxGTK
- Build Info -
wxWidgets: 3.0.2 (wchar_t,wx containers,compatible with 2.8)
Boost: 1.61.0
Curl: 7.50.1
KiCad - Compiler: GCC 6.2.0 with C++ ABI 1010
        Settings: USE_WX_GRAPHICS_CONTEXT=OFF
                  USE_WX_OVERLAY=OFF
                  KICAD_SCRIPTING=ON
                  KICAD_SCRIPTING_MODULES=ON
                  KICAD_SCRIPTING_WXPYTHON=ON
                  KICAD_SCRIPTING_ACTION_MENU=OFF
                  BUILD_GITHUB_PLUGIN=ON
                  KICAD_USE_OCE=ON

[KiCad Janitor (kicad-janitor)]

Fixed in revision 2f86b497d9875590df8b81655c715f46a3dbce0b
https://git.launchpad.net/kicad/patch/?id=2f86b497d9875590df8b81655c715f46a3dbce0b