Merge from GCC:

2008-11-21  Kai Tietz  <kai.tietz@onevision.com>

	Fix PR/25502
	* mh-mingw (BOOT_CFLAGS): Add -Wno-pedantic-ms-format switch.

2008-11-12  Steve Ellcey  <sje@cup.hp.com>

	PR target/27880
	* unwind_ipinfo.m4 (GCC_CHECK_UNWIND_GETIPINFO): Change from
	link test to target based test.