SDL_net: cmake: Enable warnings-as-errors.

From c02e6993648f3f26304ac230e6952bcc3eb2e0f3 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Wed, 27 Sep 2023 13:27:15 -0400
Subject: [PATCH] cmake: Enable warnings-as-errors.

Co-authored-by: Anonymous Maarten <madebr@users.noreply.github.com>
---
 .github/workflows/main.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fe0c8e1..dc02bb5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -59,9 +59,8 @@ jobs:
           cmake -B build -GNinja \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_INSTALL_PREFIX=prefix \
-            -DSDL3NET_WERROR=OFF \
+            -DSDL3NET_WERROR=ON \
             -DCMAKE_INSTALL_PREFIX=prefix
-        # FIXME: enable SDL3NET_WERROR
 
       - name: Build (CMake)
         run: |