kicad: fix cross build.

Thanks sgn for pointing me at the build helper.

srcpkgs/kicad/template

@@ -3,11 +3,12 @@ pkgname=kicad
 version=5.1.9
 revision=2
 build_style=cmake
+build_helper=cmake-wxWidgets-gtk3
 configure_args="-DKICAD_BUILD_VERSION=${version} -DKICAD_SCRIPTING=ON
  -DKICAD_SCRIPTING_MODULES=ON -DKICAD_SCRIPTING_WXPYTHON=ON
  -DKICAD_SCRIPTING_ACTION_MENU=ON  -DBUILD_GITHUB_PLUGIN=ON -DKICAD_USE_OCE=OFF
  -DKICAD_SCRIPTING_PYTHON3=ON -DKICAD_SCRIPTING_WXPYTHON_PHOENIX=ON
- -DwxWidgets_CONFIG_EXECUTABLE=/usr/bin/wx-config-gtk3
+ -DwxWidgets_CONFIG_EXECUTABLE=$WX_CONFIG
  -DKICAD_USE_OCC=$(vopt_if occt ON OFF) -DKICAD_SPICE=$(vopt_if spice ON OFF)"
 hostmakedepends="pkg-config swig wxWidgets-gtk3-devel python3"
 makedepends="wxWidgets-gtk3-devel wxPython4 python3-devel glew-devel cairo-devel
@@ -31,5 +32,4 @@ if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" wxPython4"
 	configure_args+=" -DPYTHON_DEST=/${py3_sitelib}
 	-DwxWidgets_CONFIG_OPTIONS='--prefix=${XBPS_CROSS_BASE}'"
-	broken="https://build.voidlinux.org/builders/armv7l_builder/builds/31151/steps/shell_3/logs/stdio"
 fi