Delombok with a relative path and in 'output to directory' mode would NPE. Fixes issue #241.

src/delombok/lombok/delombok/Delombok.java

@@ -175,7 +175,7 @@ public class Delombok {
 		
 		try {
 			for (String in : args.input) {
-				File f = new File(in);
+				File f = new File(in).getAbsoluteFile();
 				if (f.isFile()) {
 					delombok.addFile(f.getParentFile(), f.getName());
 				} else if (f.isDirectory()) {
@@ -332,7 +332,7 @@ public class Delombok {
 			in.close();
 		}
 	}
-
+	
 	public void addFile(File base, String fileName) throws IOException {
 		if (output != null && canonical(base).equals(canonical(output))) throw new IOException(
 				"DELOMBOK: Output file and input file refer to the same filesystem location. Specify a separate path for output.");

test/core/src/lombok/RunTestsViaDelombok.java

@@ -53,8 +53,8 @@ public class RunTestsViaDelombok extends AbstractRunTests {
 			}
 		});
 		
-		delombok.addFile(file.getParentFile(), file.getName());
-		delombok.setSourcepath(file.getParentFile().getAbsolutePath());
+		delombok.addFile(file.getAbsoluteFile().getParentFile(), file.getName());
+		delombok.setSourcepath(file.getAbsoluteFile().getParent());
 		delombok.setWriter(result);
 		delombok.delombok();
 	}