mgetgroups: Avoid undefined behaviour when ng == 0.

[gnulib.git] / ChangeLog

diff --git a/ChangeLog b/ChangeLog
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@@ -1,3 +1,8 @@
+2009-12-09  Bruno Haible  <bruno@clisp.org>
+
+       * lib/mgetgroups.c (mgetgroups): Don't remove duplicates if there is at
+       most one group.
+
 2009-12-09  Simon Josefsson <simon@josefsson.org>
             Bruno Haible  <bruno@clisp.org>