ctype_inline.h (scan_is, scan_not): Fix typo, use this->is() rather than manually (and perhaps incorrectly) inlining it.

	* config/os/irix/irix5.2/bits/ctype_inline.h (scan_is, scan_not):
	Fix typo, use this->is() rather than manually (and perhaps
	incorrectly) inlining it.
	* config/os/irix/irix6.5/bits/ctype_inline.h (scan_is, scan_not):
	Likewise.
	* testsuite/22_locale/ctype_scan_char.cc: New file.

From-SVN: r53422