Fix null check for AsyncNonKeyedLockReleaser.

AsyncKeyedLock/AsyncKeyedLock.csproj

@@ -7,17 +7,17 @@
 		<PackageProjectUrl>https://github.com/MarkCiliaVincenti/AsyncKeyedLock</PackageProjectUrl>
 		<Copyright>MIT</Copyright>
 		<PackageLicenseExpression>MIT</PackageLicenseExpression>
-		<Version>7.1.2</Version>
+		<Version>7.1.3</Version>
 		<Nullable>Enable</Nullable>
 		<PackageIcon>logo.png</PackageIcon>
-		<PackageReleaseNotes>Performance improvements for timeout-based locking and StripedAsyncKeyedLocker; fixes in ConditionalLocks.</PackageReleaseNotes>
+		<PackageReleaseNotes>Fix null check for AsyncNonKeyedLockReleaser.</PackageReleaseNotes>
 		<Description>An asynchronous .NET Standard 2.0 library that allows you to lock based on a key (keyed semaphores), limiting concurrent threads sharing the same key to a specified number, with optional pooling for reducing memory allocations.</Description>
 		<Copyright>© 2024 Mark Cilia Vincenti</Copyright>
 		<PackageTags>async,lock,key,keyed,semaphore,striped,dictionary,concurrentdictionary,pooling,duplicate,synchronization</PackageTags>
 		<RepositoryType>git</RepositoryType>
 		<GeneratePackageOnBuild>false</GeneratePackageOnBuild>
-		<AssemblyVersion>7.1.2.0</AssemblyVersion>
-		<FileVersion>7.1.2.0</FileVersion>
+		<AssemblyVersion>7.1.3.0</AssemblyVersion>
+		<FileVersion>7.1.3.0</FileVersion>
 		<PackageReadmeFile>README.md</PackageReadmeFile>
 		<IsPackable>true</IsPackable>
 		<EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>

AsyncKeyedLock/AsyncNonKeyedLockReleaser.cs

@@ -22,7 +22,7 @@ internal AsyncNonKeyedLockReleaser(AsyncNonKeyedLocker locker)
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public readonly void Dispose()
         {
-            _locker._semaphoreSlim.Release();
+            _locker?._semaphoreSlim.Release();
         }
     }
 }