[PATCH] Fix build warning in pthread_rwlock_*

[Siddhesh Poyarekar <siddhesh at redhat dot com>]

Hi,

The first argument of elision_adapt and that of ELISION_*LOCK have
different signs since __elision_rwcount is singned char and the
argument of elision_adapt is uint8_t.  Modified elision_adapt to
accept int8_t instead of uint8_t.

Siddhesh

	* sysdeps/x86/nptl/elide.h (elision_adapt): Make first
	argument type int8_t.

diff --git a/sysdeps/x86/nptl/elide.h b/sysdeps/x86/nptl/elide.h
index 19f27e5..3979146 100644
--- a/sysdeps/x86/nptl/elide.h
+++ b/sysdeps/x86/nptl/elide.h
@@ -26,7 +26,7 @@
 /* Adapt elision with ADAPT_COUNT and STATUS and decide retries.  */
 
 static inline bool
-elision_adapt(uint8_t *adapt_count, unsigned int status)
+elision_adapt(int8_t *adapt_count, unsigned int status)
 {
   if (status & _XABORT_RETRY)
     return false;

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