[errorprone] Don't throw exception in finally

Instead log the problem. There is no reason to panic when we fail to
delete a single temporary file in java.io.tmpdir.

Change-Id: Idb867b3f07b090c7453ccd3688e94097df3b2672
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java

@@ -844,7 +844,7 @@ public abstract class FS {
 				try {
 					FileUtils.delete(tempFile);
 				} catch (IOException e) {
-					throw new RuntimeException(e); // panic
+					LOG.error(JGitText.get().cannotDeleteFile, tempFile);
 				}
 			}
 		}