Fix Gnu-ism in script
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 38ea628..14cd9cf 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -44,7 +44,7 @@
 {
     make clean
 
-    find -iname '*cmake*' -not -name CMakeLists.txt -exec rm -rf {} \+
+    find . -iname '*cmake*' -not -name CMakeLists.txt -exec rm -rf {} \+
     rm -f include/Makefile include/polarssl/Makefile programs/*/Makefile
     git update-index --no-skip-worktree Makefile library/Makefile programs/Makefile tests/Makefile
     git checkout -- Makefile library/Makefile programs/Makefile tests/Makefile