[simd.expos] Add missing simd-integral \exposconcept

Author: mattkretz

source/numerics.tex

@@ -16245,6 +16245,10 @@
   concept @\defexposconceptnc{simd-floating-point}@ =                                      // \expos
     @\exposconcept{simd-type}@<V> && @\libconcept{floating_point}@<typename V::value_type>;
 
+template<class V>
+  concept @\defexposconceptnc{simd-integral}@ =                                            // \expos
+    @\exposconcept{simd-vec-type}@<V> && @\libconcept{integral}@<typename V::value_type>;
+
 template<class V>
   using @\exposidnc{simd-complex-value-type}@ = typename V::value_type::value_type; // \expos