target/ppc: Add missing braces in ppc_radix64_partition_scoped_xlate()

As per CODING_STYLE.

Fixes: d04ea940c597 "target/ppc: Add support for Radix partition-scoped translation"
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158941062665.240484.2663106458734800894.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
index 07f956c..fb7dfe2 100644
--- a/target/ppc/mmu-radix64.c
+++ b/target/ppc/mmu-radix64.c
@@ -286,8 +286,9 @@
                               pate.dw0 & PRTBE_R_RPDS, h_raddr, h_page_size,
                               &pte, &fault_cause, &pte_addr) ||
         ppc_radix64_check_prot(cpu, rwx, pte, &fault_cause, h_prot, true)) {
-        if (pde_addr) /* address being translated was that of a guest pde */
+        if (pde_addr) { /* address being translated was that of a guest pde */
             fault_cause |= DSISR_PRTABLE_FAULT;
+        }
         if (cause_excp) {
             ppc_radix64_raise_hsi(cpu, rwx, eaddr, g_raddr, fault_cause);
         }