SDL: Update os2.yml

From 1d918a283ccac6a32a8578acb08fdb20fea9e5f3 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Mon, 3 Jan 2022 21:52:47 -0500
Subject: [PATCH] Update os2.yml

Whoops, forgot the `-R` on the chmod command.
---
 .github/workflows/os2.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/os2.yml b/.github/workflows/os2.yml
index fe0baaba73d..fe37ea590be 100644
--- a/.github/workflows/os2.yml
+++ b/.github/workflows/os2.yml
@@ -17,7 +17,7 @@ jobs:
           key: ${{ runner.os }}-build-${{ env.cache-name }}
 
       - name: Download OpenWatcom if not cached
-        run: if [ ! -d ~/openwatcom/binl64 ]; then wget --no-verbose 'https://github.com/open-watcom/open-watcom-v2/releases/download/Current-build/open-watcom-2_0-c-linux-x64' -O ~/ow.zip && mkdir -p ~/openwatcom && cd ~/openwatcom && unzip ~/ow.zip && chmod a+rx ~/openwatcom ; fi
+        run: if [ ! -d ~/openwatcom/binl64 ]; then wget --no-verbose 'https://github.com/open-watcom/open-watcom-v2/releases/download/Current-build/open-watcom-2_0-c-linux-x64' -O ~/ow.zip && mkdir -p ~/openwatcom && cd ~/openwatcom && unzip ~/ow.zip && chmod -R a+rx ~/openwatcom ; fi
         shell: bash
 
       - name: Build