Willy Tarreau ddc3e9e55d BUG/MINOR: stats: make field_str() return an empty string on NULL
It already returns an empty string when the field is empty, but as a
preventive measure we should do the same when the string itself is a
NULL. While it is not supposed to happen, it will make the code more
resistant against failed allocations and unexpected results.

This fix should be backported to 1.7.
2016-11-26 15:58:37 +01:00
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