Fix CQS signal modernize-use-using in fbcode/vision/fair

Reviewed By: bottler

Differential Revision: D94879733

fbshipit-source-id: fc35eaaa723a2a035b3b204732add7ba8b225c57

Author: generatedunixname2645487282517272

pytorch3d/csrc/utils/vec2.h

@@ -19,7 +19,7 @@ template <
         std::is_same<T, double>::value || std::is_same<T, float>::value>>
 struct vec2 {
   T x, y;
-  typedef T scalar_t;
+  using scalar_t = T;
   vec2(T x, T y) : x(x), y(y) {}
 };
 

pytorch3d/csrc/utils/vec3.h

@@ -18,7 +18,7 @@ template <
         std::is_same<T, double>::value || std::is_same<T, float>::value>>
 struct vec3 {
   T x, y, z;
-  typedef T scalar_t;
+  using scalar_t = T;
   vec3(T x, T y, T z) : x(x), y(y), z(z) {}
 };