Internals: Rename unsized functions. No functional change.

src/V3Ast.cpp

@@ -1150,7 +1150,7 @@ void AstNode::dtypeChgWidth(int width, int widthMin) {
 void AstNode::dtypeChgWidthSigned(int width, int widthMin, AstNumeric numeric) {
     if (!dtypep()) {
         // We allow dtypep() to be null, as before/during widthing dtypes are not resolved
-        dtypeSetLogicSized(width, widthMin, numeric);
+        dtypeSetLogicUnsized(width, widthMin, numeric);
     } else {
         if (width==dtypep()->width()
             && widthMin==dtypep()->widthMin()
@@ -1160,7 +1160,7 @@ void AstNode::dtypeChgWidthSigned(int width, int widthMin, AstNumeric numeric) {
         // work OK but this assumption may break in the future.
         // Note we can't just clone and do a widthForce, as if it's a BasicDType
         // the msb() indications etc will be incorrect.
-        dtypeSetLogicSized(width, widthMin, numeric);
+        dtypeSetLogicUnsized(width, widthMin, numeric);
     }
 }