reinstall_local_gem.sh in rspreadsheet-0.2.15 vs reinstall_local_gem.sh in rspreadsheet-0.3

@@ -1,9 +1,9 @@
 #!/bin/sh
 
 # remove previously build gems
-rm -f pkg/rspreadsheet-0.*.gem
-rm -f Gemfile.lock
+sudo rm -f pkg/rspreadsheet-0.*.gem
+sudo rm -f Gemfile.lock
 
 # this is to update git index, because git lsfiles is used in .gemspec
 git add .
 
 # builds the gem to pkg directory and installs gem to local system