fix typo in Perl_sbrk()

	Message-Id: <9902192221.AA07213@icgned.icgroup.nl>
	Subject: Not OK: perl 5.00555 on OPENSTEP-Mach 4_2 (UNINSTALLED)

p4raw-id: //depot/perl@2993

diff --git a/malloc.c b/malloc.c
index fd3b05b..2716045 100644 (file)
--- a/malloc.c
+++ b/malloc.c
@@ -1793,7 +1793,7 @@ Perl_sbrk(int size)
 #  endif
       got = (IV)SYSTEM_ALLOC(size);
 #  if NEEDED_ALIGNMENT > SYSTEM_ALLOC_ALIGNMENT
-      got = (got + NEEDED_ALIGNMENT - 1) & (NEEDED_ALIGNMENT - 1);
+      got = (got + NEEDED_ALIGNMENT - 1) & ~(NEEDED_ALIGNMENT - 1);
 #  endif
       if (small) {
        /* Chunk is small, register the rest for future allocs. */