Merge pull request #17161 from kkirsche/patch-22

v4 - Use border-radius mixin in form-control-sm and form-control-lg

scss/_forms.scss

@@ -148,7 +148,7 @@
   padding: $input-padding-y-sm $input-padding-x-sm;
   font-size: $font-size-sm;
   line-height: $line-height-sm;
-  border-radius: $input-border-radius-sm;
+  @include border-radius($input-border-radius-sm);
 }
 
 .form-control-lg {
@@ -156,7 +156,7 @@
   padding: $input-padding-y-lg $input-padding-x-lg;
   font-size: $font-size-lg;
   line-height: $line-height-lg;
-  border-radius: $input-border-radius-lg;
+  @include border-radius($input-border-radius-lg);
 }