fix alignment in Camera

Former-commit-id: 4aeeb0851253a3e2b73d468c0a6a08a593f00d65

examples/patches/temp.rbr

@@ -1,4 +1,4 @@
-camera_rotation: TW_TYPE_QUAT4D -0.174598206033656 0.778057756210189 0.215373556063922 0.563698346457904
+camera_rotation: TW_TYPE_QUAT4D 0.221720768269005 -0.655276665457443 -0.211493904735977 0.690451099560792
 center_type: CenterType orbit
 wireframe_visible: TW_TYPE_BOOLCPP 0
 fill_visible: TW_TYPE_BOOLCPP 1

include/igl/Camera.h

@@ -138,6 +138,10 @@ namespace igl
         const Eigen::Vector3d & eye,
         const Eigen::Vector3d & at,
         const Eigen::Vector3d & up);
+    // Needed any time Eigen Structures are used as class members
+    // http://eigen.tuxfamily.org/dox-devel/group__TopicStructHavingEigenMembers.html
+    public:
+        EIGEN_MAKE_ALIGNED_OPERATOR_NEW
   };
 }
 

include/igl/pathinfo.h

@@ -27,7 +27,7 @@ namespace igl
   //  dirname  string containing dirname (see dirname.h)
   //  basename  string containing basename (see basename.h)
   //  extension  string containing extension (characters after last '.')
-  //  filename  string containing extension (characters of basename before last
+  //  filename  string containing filename (characters of basename before last
   //    '.')
   //
   //  See also: basename, dirname