init: fix gn format

Signed-off-by: Nsun_fan <sun_fan1@hoperun.com>

ueventd/BUILD.gn

@@ -12,9 +12,9 @@
 # limitations under the License.
 
 if (!defined(ohos_lite)) {
-import("//build/ohos.gni")
+  import("//build/ohos.gni")
 
-ohos_executable("ueventd") {
+  ohos_executable("ueventd") {
     sources = [
       "list.c",
       "ueventd.c",
@@ -42,14 +42,14 @@ ohos_executable("ueventd") {
     ]
     install_enable = true
     part_name = "init"
-}
+  }
 
-ohos_prebuilt_etc("ueventd.config") {
+  ohos_prebuilt_etc("ueventd.config") {
     source = "//base/startup/init_lite/ueventd/etc/ueventd.config"
     part_name = "init"
     install_images = [
       "system",
       "updater",
     ]
-}
+  }
 }