amend 7a3280b, fix typo

diff --git a/tools/osx_packaging/osx_build b/tools/osx_packaging/osx_build
index ec2ad7f1c6ff04f9eeaa2c6e9069c4548c5aa94e..6ee39f626ed50fbc6b863ba9f18593c38f539ac2 100755 (executable)
--- a/tools/osx_packaging/osx_build
+++ b/tools/osx_packaging/osx_build
@@ -411,7 +411,7 @@ while [ true ] ; do
            continue
        fi
        # libffi contains "S" (other section symbols) that should not be stripped.
-       if [[ $string == *"libffi"* ]] ; then
+       if [[ $file == *"libffi"* ]] ; then
            continue
        fi