Merge vk-gl-cts/opengl-es-cts-3.2.2 into vk-gl-cts/opengl-es-cts-3.2.3

Change-Id: I756727d47904305fd90e7f763dc35badab18ce57
diff --git a/external/fetch_sources.py b/external/fetch_sources.py
index 0d7c8e5..c8f3e39 100644
--- a/external/fetch_sources.py
+++ b/external/fetch_sources.py
@@ -230,7 +230,7 @@
 
 PACKAGES = [
 	SourcePackage(
-		"http://zlib.net/zlib-1.2.11.tar.gz",
+		"https://zlib.net/fossils/zlib-1.2.11.tar.gz",
 		"zlib-1.2.11.tar.gz",
 		"c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
 		"zlib"),