SDL: CI: add github actions for windows x86

SDL Commits
1 
From 32e736d2603e0c15dc69a717d7f0921a0c0abe69 Mon Sep 17 00:00:00 2001
From: scribam <[EMAIL REDACTED]>
Date: Sat, 10 Jul 2021 11:39:51 +0200
Subject: [PATCH] CI: add github actions for windows x86

---
 .github/workflows/main.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3ad98c69a2..97981b554f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,8 @@ jobs:
     strategy:
       matrix:
         platform:
-        - { name: Windows, os: windows-latest }
+        - { name: Windows (x64), os: windows-latest }
+        - { name: Windows (x86), os: windows-latest, flags: -A Win32 }
         - { name: Linux,   os: ubuntu-20.04, flags: -GNinja }
         - { name: MacOS,   os: macos-latest }
     steps: