fix syntax errors

Author: HeliumAnt

external/sources/luabind-0.7.1/meson.build

@@ -20,8 +20,8 @@ elif cxx.get_argument_syntax() == 'msvc'
   cpp_options = ['cpp_std=vc++20']
 endif
 
-if !get_option(debug) or get_option('debug_type') == release
-  lubaind_args += ['-DLUABIND_NO_ERROR_CHECKING=1']
+if (not get_option('debug')) or get_option('debug_type') == 'release'
+  luabind_args += ['-DLUABIND_NO_ERROR_CHECKING=1']
 endif
 
 luabind = static_library('luabind071', luabind_src, dependencies: luabind_dependencies, include_directories:luabind_include, cpp_args:cpp_args+ luabind_args, override_options: ['warning_level=0']+ cpp_options)