Fix small memory leak in WatcherWin32. #158

	name: build

	on: [push, pull_request]

	jobs:
	Linux:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y wget
	wget https://github.com/premake/premake-core/releases/download/v5.0.0-alpha14/premake-5.0.0-alpha14-linux.tar.gz
	tar xvzf premake-5.0.0-alpha14-linux.tar.gz
	- name: Build
	run: \|
	./premake5 --verbose gmake2
	cd make/linux
	make all
	MacOS:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	brew install wget
	wget https://github.com/premake/premake-core/releases/download/v5.0.0-alpha14/premake-5.0.0-alpha14-macosx.tar.gz
	tar -xzf premake-5.0.0-alpha14-macosx.tar.gz
	- name: Build
	run: \|
	./premake5 --verbose gmake2
	make -C make/macosx/ -j`nproc` all
	Windows:
	runs-on: windows-2019
	env:
	MSBUILD_PATH: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\
	steps:
	- uses: actions/checkout@v2
	- name: Install dependencies
	shell: powershell
	run: \|
	Invoke-WebRequest -Uri "https://github.com/premake/premake-core/releases/download/v5.0.0-alpha14/premake-5.0.0-alpha14-windows.zip" -OutFile "premake-5.0.0-alpha14-windows.zip"
	Expand-Archive -DestinationPath . -Path premake-5.0.0-alpha14-windows.zip
	- name: Create project
	shell: powershell
	run: \|
	./premake5.exe --verbose vs2019
	- name: Build
	shell: cmd
	run: \|
	"%MSBUILD_PATH%\MSBuild.exe" .\make\windows\efsw.sln -m

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