Makefile.unittest: cleanup may fail. Add '-' in the action.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197777 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/Makefile.unittest b/unittests/Makefile.unittest
index bf3179d3f292bcfa238a448ef3e6c370d5dd22db..695bee6d892b1197fdeba47379bcc11e101a21ed 100644 (file)
--- a/unittests/Makefile.unittest
+++ b/unittests/Makefile.unittest
@@ -18,7 +18,7 @@ endif
 # Clean up out-of-tree stray unittests for Lit not to pick one up.
 .PHONY: cleanup-local
 cleanup-local:
-       $(Verb) $(FIND) $(filter-out $(PARALLEL_DIRS), $(wildcard *)) -type f \
+       -$(Verb) $(FIND) $(filter-out $(PARALLEL_DIRS), $(wildcard *)) -type f \
          -path '*/$(BuildMode)/*Tests$(EXEEXT)' \
          -exec rm -f '{}' \;