rbutil: Use progress bar on uninstall.

When uninstalling parts with lots of small files the process can take
quite some time. Update the progress accordingly.

Change-Id: Iecc4553b36abbc1cf9652a325ccb29b62a7fc4cc

utils/rbutilqt/base/uninstall.cpp

@@ -59,6 +59,7 @@ void Uninstaller::uninstall(void)
         // iterate over all entries
         for(int j = 0; j < toDeleteList.size(); j++ )
         {
+            emit logProgress(j, toDeleteList.size());
             // check if current file is in use by another section
             bool deleteFile = true;
             for(int s = 0; s < sections.size(); s++)