Don't call rm with empty file list.

diff --git a/src/nls-global.mk b/src/nls-global.mk
index 8a1ed4e3e2e6134212b26f7ba905e9f7db6bd65e..fa9ed48fd6bc2170f9ac416086715916126bc90f 100644 (file)
--- a/src/nls-global.mk
+++ b/src/nls-global.mk
@@ -77,7 +77,7 @@ uninstall-po:
 
 
 clean-po:
-       rm -f $(MO_FILES)
+       $(if $(MO_FILES),rm -f $(MO_FILES))
        @rm -f $(addsuffix .old, $(PO_FILES))
        rm -f po/$(CATALOG_NAME).pot