+ fix gcc build failure

src/Gui/QuantitySpinBox.cpp

@@ -113,6 +113,7 @@ public:
         default: break;
         }
 
+        {
             if (copy.at(0) == locale.groupSeparator()) {
                 state = QValidator::Invalid;
                 goto end;
@@ -188,6 +189,7 @@ public:
                     state = QValidator::Intermediate;
                 }
             }
+        }
 end:
         if (state != QValidator::Acceptable) {
             res.setValue(max > 0 ? min : max);