Fix variable name in build script
This merge request fixes the
$ARCH variable name in the build script.
./compileAndBuildVLCKit.sh -va x86_64 requires that a
build directory be created in the root of the project to avoid the following error:
[info] Finished compiling libvlc for x86_64 with SDK version 13.2, platform iphonesimulator [info] building universal static libs for iphone [info] all done [info] Building static MobileVLCKit.framework ./compileAndBuildVLCKit.sh: line 77: pushd: build: No such file or directory
On Big Sur there was an additional "Boost_INCLUDE_DIR-NOTFOUND" error which required replacing