build: re-add removed clean statement

diff --git a/Makefile b/Makefile
index 775820cb1b43022de83299188099dfe3590524c1..905206701d83f41a241937f75ddd6b15997c0e97 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,7 @@ i18nbuild:
        ./build/i18n-po2lua.pl ./po host/lua-po
 
 clean:
+       rm -rf docs
        make -C libs/lmo host-clean
        for i in $(MODULES); do make -C$$i clean; done