gcc-dg.exp (cleanup-rtl-dump): Fix dump file regexp to handle more than 100 dump...

gcc-dg.exp (cleanup-rtl-dump): Fix dump file regexp to handle more than 100 dump files.

	* lib/gcc-dg.exp (cleanup-rtl-dump): Fix dump file regexp to
	handle more than 100 dump files.
	(cleanup-tree-dump, cleanup-ipa-dump): Likewise.
	* lib/scantree.exp (scan-tree-dump): Likewise.
	(scan-tree-dump-times, scan-tree-dump-not): Likewise.
	(scan-tree-dump-dem, scan-tree-dump-dem-not): Likewise.
	* lib/scanipa.exp (scan-ipa-dump): Likewise.
	(scan-ipa-dump-times, scan-ipa-dump-not): Likewise.
	(scan-ipa-dump-dem, scan-ipa-dump-dem-not): Likewise.

From-SVN: r110553