Pass supported malloc options to connect-privsep.

This allows us to activate only the supported options during the malloc
option portion of the connect-privsep test.
diff --git a/Makefile.in b/Makefile.in
index 139e20a..af758d0 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -552,6 +552,7 @@
 		OBJ="$${BUILDDIR}/regress/" \
 		PATH="$${BUILDDIR}:$${PATH}" \
 		TEST_ENV=MALLOC_OPTIONS="@TEST_MALLOC_OPTIONS@" \
+		TEST_MALLOC_OPTIONS="@TEST_MALLOC_OPTIONS@" \
 		TEST_SSH_SCP="$${TEST_SSH_SCP}" \
 		TEST_SSH_SSH="$${TEST_SSH_SSH}" \
 		TEST_SSH_SSHD="$${TEST_SSH_SSHD}" \