re PR target/43751 (dsymutil is not called for fortran and, under some circumstances not for other FEs.)

2014-04-02  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR target/43751
	* lib/prune.exp: Modify the regular express to prune
	the new warnings introduced by r205679 on darwin9.

From-SVN: r209016