[minor] Set NAPI_VERSION to 1

lpinca · lpinca · commit 7cc7367fb5de · 2018-12-23T08:46:10.000+01:00
diff --git a/src/bufferutil.c b/src/bufferutil.c
@@ -1,3 +1,4 @@
+#define NAPI_VERSION 1
 #include <assert.h>
 #include <node_api.h>
 
