multilayer_metadata,cosmetics: fix some typos

scpoe -> scope

Change-Id: I1c9bb49ee9093b714fa75c414f4252b2ce7befd5

examples/multilayer_metadata.cc

diff --git a/examples/multilayer_metadata.cc b/examples/multilayer_metadata.cc
index a26240f..4ab1349 100644
--- a/examples/multilayer_metadata.cc
+++ b/examples/multilayer_metadata.cc
@@ -479,7 +479,7 @@
                           layer.layer_metadata_scope >= SCOPE_GLOBAL)) {
     fprintf(stderr,
             "Error: alpha info must be set if and only if layer_type is "
-            "%d and layer_metadata_scpoe is >= %d\n",
+            "%d and layer_metadata_scope is >= %d\n",
             MULTILAYER_LAYER_TYPE_ALPHA, SCOPE_GLOBAL);
     return false;
   }
@@ -487,7 +487,7 @@
                           layer.layer_metadata_scope >= SCOPE_GLOBAL)) {
     fprintf(stderr,
             "Error: depth info must be set if and only if layer_type is "
-            "%d and layer_metadata_scpoe is >= %d\n",
+            "%d and layer_metadata_scope is >= %d\n",
             MULTILAYER_LAYER_TYPE_DEPTH, SCOPE_GLOBAL);
     return false;
   }