2010-11-03  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/limits (__glibcxx_digits10, __glibcxx_max_digits10):
	Use 643L instead of 643 to avoid overflows on 16-bit machines.
	* include/ext/numeric_traits.h (__glibcxx_max_digits10): Likewise.

From-SVN: r166261