support relative path in system property flatlaf.nativeLibraryPath (PR #453)

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatSystemProperties.java

@@ -141,6 +141,7 @@ public interface FlatSystemProperties
 
 	/**
 	 * Specifies a directory in which the native FlatLaf library have been extracted.
+	 * The path can be absolute or relative to current application working directory.
 	 * This can be used to avoid extraction of the native libraries to the temporary directory at runtime.
 	 *
 	 * @since 2

flatlaf-core/src/main/java/com/formdev/flatlaf/util/NativeLibrary.java

@@ -135,7 +135,7 @@ public class NativeLibrary
 
 	private boolean loadLibraryFromFile( File libraryFile ) {
 		try {
-			System.load( libraryFile.getPath() );
+			System.load( libraryFile.getAbsolutePath() );
 			return true;
 		} catch( Throwable ex ) {
 			log( null, ex );