Examples: fix reference names

examples/diff.c

@@ -30,7 +30,7 @@ static int resolve_to_tree(
 			git_reference_resolve(&resolved, ref);
 			git_reference_free(ref);
 			if (resolved) {
-				git_object_lookup(&obj, repo, git_reference_oid(resolved), GIT_OBJ_ANY);
+				git_object_lookup(&obj, repo, git_reference_target(resolved), GIT_OBJ_ANY);
 				git_reference_free(resolved);
 			}
 		}

examples/general.c

@@ -405,12 +405,12 @@ int main (int argc, char** argv)
 
     switch (git_reference_type(ref)) {
     case GIT_REF_OID:
-      git_oid_fmt(out, git_reference_oid(ref));
+      git_oid_fmt(out, git_reference_target(ref));
       printf("%s [%s]\n", refname, out);
       break;
 
     case GIT_REF_SYMBOLIC:
-      printf("%s => %s\n", refname, git_reference_target(ref));
+      printf("%s => %s\n", refname, git_reference_symbolic_target(ref));
       break;
     default:
       fprintf(stderr, "Unexpected reference type\n");