x86: fix crash-21-x64-llvm-error-expected-absolute-expression.c

bindings/go/keystone/keystone_const.go

bindings/nodejs/consts/keystone.js

bindings/python/keystone/keystone_const.py

bindings/ruby/keystone_gem/lib/keystone/keystone_const.rb

bindings/rust/src/keystone_const.rs

include/keystone/keystone.h

llvm/include/llvm/MC/MCAssembler.h

llvm/keystone/ks.cpp

llvm/lib/MC/ELFObjectWriter.cpp

llvm/lib/MC/MCAssembler.cpp

llvm/lib/MC/MCFragment.cpp