re PR libstdc++/28265 (iconv-related errors while building a cross-compiler for MinGW)

2006-12-12  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/28265
	* crossconfig.m4: Remove GLIBCXX_CHECK_ICONV_SUPPORT call for
	mingw crosses.
	* configure: Regenerate.

From-SVN: r119782