Force file deletion at cleaning tasks

- Fresh install tests will fail if there's no file inside babel/localedata and/or babel/global.dat

diff --git a/Makefile b/Makefile
index 5bb68a9a96c7a447970e3b23aea40dcc74e8aa26..c0adaa10d14993c6e398f95c01cb7d6ade2914a1 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -18,8 +18,8 @@ import-cldr:
        @python scripts/download_import_cldr.py
 
 clean-cldr:
-       @rm babel/localedata/*.dat
-       @rm babel/global.dat
+       @rm -f babel/localedata/*.dat
+       @rm -f babel/global.dat
 
 clean-pyc:
        @find . -name '*.pyc' -exec rm {} \;