Lock N-Api to version 4 for >8.16.0 support

implausible · implausible · commit e309f841e89f · 2020-01-30T10:16:02.000-07:00
diff --git a/src/cld.cc b/src/cld.cc
@@ -5,6 +5,7 @@
 using std::terminate_handler;
 using std::unexpected_handler;
 
+#define NAPI_VERSION 4
 #include <napi.h>
 
 namespace NodeCld {
