update external to fix compiling error on Xcode 11 (#20165)

minggo · web-flow · commit 70bd4e967d62 · 2019-09-25T09:51:43.000+08:00
diff --git a/external/config.json b/external/config.json
@@ -1,5 +1,5 @@
 {
-    "version": "metal-support-16",
+    "version": "metal-support-17",
     "zip_file_size": "146254799",
     "repo_name": "cocos2d-x-3rd-party-libs-bin",
     "repo_parent": "https://github.com/cocos2d/",

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`{`
`2`		`- "version": "metal-support-16",`
	`2`	`+ "version": "metal-support-17",`
`3`	`3`	`"zip_file_size": "146254799",`
`4`	`4`	`"repo_name": "cocos2d-x-3rd-party-libs-bin",`
`5`	`5`	`"repo_parent": "https://github.com/cocos2d/",`