Update RuntimeIdentification.cs

Author: alastairlundy

PlatformKit/Core/Identification/RuntimeIdentification.cs

@@ -34,6 +34,8 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 using PlatformKit.Mac;
 using PlatformKit.Internal.Deprecation;
 using PlatformKit.Internal.Localizations;
+using AlastairLundy.DotExtensions.Strings;
+
 
 #if NETSTANDARD2_1 || NET5_0_OR_GREATER
 using PlatformKit.FreeBSD;