[newlib-cygwin] Drop Cygwin-only posix_memalign prototype

[newlib-cygwin] Drop Cygwin-only posix_memalign prototype

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3737bc4e98fa698bc094863bb890272d4979822d

commit 3737bc4e98fa698bc094863bb890272d4979822d
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Mar 23 11:50:27 2016 +0100

    Drop Cygwin-only posix_memalign prototype
    
    newlib:
    	* libc/include/stdlib.h (posix_memalign): Drop __rtmes__ guards.
    
    cygwin:
    	* include/cygwin/stdlib.h (posix_memalign): Drop prototype.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 newlib/libc/include/stdlib.h          | 2 --
 winsup/cygwin/include/cygwin/stdlib.h | 3 ---
 2 files changed, 5 deletions(-)

diff --git a/newlib/libc/include/stdlib.h b/newlib/libc/include/stdlib.h
index 7d4ae76..363b7df 100644
--- a/newlib/libc/include/stdlib.h
+++ b/newlib/libc/include/stdlib.h
@@ -251,11 +251,9 @@ int	_EXFUN(unsetenv,(const char *__string));
 int	_EXFUN(_unsetenv_r,(struct _reent *, const char *__string));
 #endif /* !__CYGWIN__ */
 
-#ifdef __rtems__
 #if __POSIX_VISIBLE >= 200112
 int _EXFUN(__nonnull (1) posix_memalign,(void **, size_t, size_t));
 #endif
-#endif
 
 char *	_EXFUN(_dtoa_r,(struct _reent *, double, int, int, int *, int*, char**));
 #ifndef __CYGWIN__
diff --git a/winsup/cygwin/include/cygwin/stdlib.h b/winsup/cygwin/include/cygwin/stdlib.h
index 01c5646..002a904 100644
--- a/winsup/cygwin/include/cygwin/stdlib.h
+++ b/winsup/cygwin/include/cygwin/stdlib.h
@@ -47,9 +47,6 @@ int getpt (void);
 #if __XSI_VISIBLE >= 600
 int posix_openpt (int);
 #endif
-#if __POSIX_VISIBLE >= 200112
-int posix_memalign (void **, size_t, size_t);
-#endif
 
 #ifdef _COMPILING_NEWLIB
 #define unsetenv UNUSED_unsetenv