SDL: Fixed CMake build by adding hidapi files

From 4bbbe5f84cd8bf7b8b4d4e520f2387dc04dd6b00 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 8 Nov 2021 09:28:36 -0800
Subject: [PATCH] Fixed CMake build by adding hidapi files

This needs more work to remove the hidapi shared library build, but at least Linux builds are unblocked
---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eeec50ce04..0d623bfd80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -442,6 +442,7 @@ file(GLOB SOURCE_FILES
   ${SDL2_SOURCE_DIR}/src/events/*.c
   ${SDL2_SOURCE_DIR}/src/file/*.c
   ${SDL2_SOURCE_DIR}/src/haptic/*.c
+  ${SDL2_SOURCE_DIR}/src/hidapi/*.c
   ${SDL2_SOURCE_DIR}/src/libm/*.c
   ${SDL2_SOURCE_DIR}/src/locale/*.c
   ${SDL2_SOURCE_DIR}/src/misc/*.c