[PATCH] Improve comments in elision-(try)lock.c

[Dominik Vogt]

The attached patch somwhat improved documentation of the
non-elision cases of pthread_mutex_lock and pthread_mutex_trylock.

Ciao

Dominik ^_^  ^_^

-- 

Dominik Vogt
IBM Germany
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2013-09-18  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* sysdeps/unix/sysv/linux/x86/elision-lock.c (__lll_lock_elision):
	* sysdeps/unix/sysv/linux/x86/elision-trylock.c
	(__lll_trylock_elision):
	More verbose comment of non-elision case