brk.c: remove libc_hidden_proto, always_inline syscall

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/sysdeps/linux/common/brk.c

@@ -8,10 +8,8 @@
 #include <unistd.h>
 #include <sys/syscall.h>
 
-libc_hidden_proto(brk)
-
 #define __NR___syscall_brk __NR_brk
-static inline _syscall1(void *, __syscall_brk, void *, end)
+static __always_inline _syscall1(void *, __syscall_brk, void *, end)
 
 /* This must be initialized data because commons can't have aliases.  */
 void * __curbrk attribute_hidden = 0;