[PATCH] ACPICA: Namespace: fix the no brace needed warning

[tiantao]

for if else statements having single block no braces are needed fixed
the following checkpatch warning

WARNING: braces {} are not necessary for any arm of this statement
+               if (!prev_node) {
[...]
+               } else {
[...]

Signed-off-by: tiantao <tiant...@huawei.com>
---
 drivers/acpi/acpica/nsaccess.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index 2566e2d..7cef22a 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -109,11 +109,10 @@ acpi_status acpi_ns_root_initialize(void)
                new_node->descriptor_type = ACPI_DESC_TYPE_NAMED;
                new_node->type = init_val->type;
 
-               if (!prev_node) {
+               if (!prev_node)
                        acpi_gbl_root_node_struct.child = new_node;
-               } else {
+               else
                        prev_node->peer = new_node;
-               }
 
                new_node->parent = &acpi_gbl_root_node_struct;
                prev_node = new_node;
-- 
2.7.4