std.cfg: Added support for std::istream::eof

cfg/std.cfg

@@ -6516,7 +6516,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <noreturn>false</noreturn>
   </function>
   <!-- bool eof() const; -->
-  <function name="std::ios::eof,std::ios_base::eof,std::ostream::eof,std::ofstream::eof,std::ostringstream::eof,std::istringstream::eof,std::wistringstream::eof,std::basic_istringstream::eof">
+  <function name="std::ios::eof,std::ios_base::eof,std::ostream::eof,std::ofstream::eof,std::ostringstream::eof,std::istringstream::eof,std::wistringstream::eof,std::basic_istringstream::eof,std::istream::eof">
     <use-retval/>
     <const/>
     <returnValue type="bool"/>