No changes, just correct a wrong trailing comment in #else.

The test meaning was inverted.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67180 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/string.cpp

@@ -1846,7 +1846,7 @@ wxString wxString::FromCDouble(double val)
     wxSTD ostringstream os;
     os << val;
     return os.str();
-#else // wxUSE_STD_IOSTREAM
+#else // !wxUSE_STD_IOSTREAM
     // Can't use iostream locale support, fall back to the manual method
     // instead.
     wxString s = FromDouble(val);