+2010-04-11 Bruno Haible <bruno@clisp.org>
+
+ libunistring: Detect libunistring also when it depends on libiconv.
+ * m4/libunistring.m4 (gl_LIBUNISTRING): Unset the cached result before
+ the second AC_LIB_HAVE_LINKFLAGS invocation.
+
2010-04-11 James Youngman <jay@gnu.org>
close-stream: declare local scalars to be "const"