valgrind.h: Remove a superfluous cast. See also #278454.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11913 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/valgrind.h b/include/valgrind.h
index 22b8a61..fc572b6 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -4000,7 +4000,7 @@
/* Unmark the piece of memory associated with a stack id as being a
stack. */
#define VALGRIND_STACK_DEREGISTER(id) \
- (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(0, \
+ VALGRIND_DO_CLIENT_REQUEST_EXPR(0, \
VG_USERREQ__STACK_DEREGISTER, \
id, 0, 0, 0, 0)