std.cfg: strncpy_s wrongly had <not-uninit/> in first argument

Author: danmar

cfg/std.cfg

@@ -4636,7 +4636,6 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <leak-ignore/>
     <arg nr="1">
       <not-null/>
-      <not-uninit/>
       <minsize type="argvalue" arg="2"/>
     </arg>
     <arg nr="2">