Try Appveyor Build for VS2019

appveyor.yml

@@ -267,32 +267,32 @@ environment:
       platform: x64
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
     # Visual Studio 2019
-#    - id: Full-VS2019-x86
-#      compiler: msvc-21-seh
-#      build_shared: NO
-#      no_files: NO
-#      enable_ipv6: YES
-#      enable_ssl: YES
-#      enable_websockets: YES
-#      no_cgi: NO
-#      no_caching: NO
-#      enable_stats: YES
-#      configuration: Release
-#      platform: x86
-#      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-#    - id: Full-VS2019-x64
-#      compiler: msvc-21-seh
-#      build_shared: NO
-#      no_files: NO
-#      enable_ipv6: YES
-#      enable_ssl: YES
-#      enable_websockets: YES
-#      no_cgi: NO
-#      no_caching: NO
-#      enable_stats: YES
-#      configuration: Release
-#      platform: x64
-#      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - id: Full-VS2019-x86
+      compiler: msvc-21-seh
+      build_shared: NO
+      no_files: NO
+      enable_ipv6: YES
+      enable_ssl: YES
+      enable_websockets: YES
+      no_cgi: NO
+      no_caching: NO
+      enable_stats: YES
+      configuration: Release
+      platform: x86
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+    - id: Full-VS2019-x64
+      compiler: msvc-21-seh
+      build_shared: NO
+      no_files: NO
+      enable_ipv6: YES
+      enable_ssl: YES
+      enable_websockets: YES
+      no_cgi: NO
+      no_caching: NO
+      enable_stats: YES
+      configuration: Release
+      platform: x64
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     # Experimental Ubuntu
     - id: Ubuntu1604-GCC-x64
       compiler: gcc-5.1.0-posix