fixed header guard

Former-commit-id: fc5bc35bc35c660a51102c2845b8990becefd448

include/igl/boundary_loop.h

@@ -5,8 +5,8 @@
 // This Source Code Form is subject to the terms of the Mozilla Public License 
 // v. 2.0. If a copy of the MPL was not distributed with this file, You can 
 // obtain one at http://mozilla.org/MPL/2.0/.
-#ifndef IGL_BOUNDARY_VERTICES_SORTED_H
-#define IGL_BOUNDARY_VERTICES_SORTED_H
+#ifndef IGL_BOUNDARY_LOOP_H
+#define IGL_BOUNDARY_LOOP_H
 #include <igl/igl_inline.h>
 
 #include <Eigen/Dense>

include/igl/outline_ordered.h

@@ -5,8 +5,8 @@
 // This Source Code Form is subject to the terms of the Mozilla Public License 
 // v. 2.0. If a copy of the MPL was not distributed with this file, You can 
 // obtain one at http://mozilla.org/MPL/2.0/.
-#ifndef IGL_OUTLINE_H
-#define IGL_OUTLINE_H
+#ifndef IGL_OUTLINE_ORDERED_H
+#define IGL_OUTLINE_ORDERED_H
 #include <igl/igl_inline.h>
 
 #include <Eigen/Dense>