cli: CommandUpdate: When path is a dir, don't do anything (no deletion or updates)

cli/commandupdate.cpp

@@ -53,7 +53,9 @@ int CommandUpdate::handle(QStringList arguments)
 		for(FileData &fileData : files)
 		{
 			QFileInfo fileInfo(fileData.absPath);
-			if(fileInfo.exists() && fileInfo.isFile())
+			if(fileInfo.exists())
+			{
+				if(fileInfo.isFile())
 				{
 					if(fileInfo.lastModified().toSecsSinceEpoch() != fileData.mtime)
 					{
@@ -67,6 +69,7 @@ int CommandUpdate::handle(QStringList arguments)
 						}
 					}
 				}
+			}
 			else
 			{
 				if(deleteMissing)