Update windows.cfg [skip ci]

Author: chrchr-github

cfg/windows.cfg

@@ -4588,6 +4588,7 @@ HFONT CreateFont(
     <arg nr="3" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
       <minsize type="argvalue" arg="4"/>
     </arg>
     <arg nr="4" direction="in">
@@ -4636,6 +4637,7 @@ HFONT CreateFont(
     <arg nr="3" direction="in">
       <not-null/>
       <not-uninit/>
+      <strz/>
       <minsize type="argvalue" arg="4"/>
     </arg>
     <arg nr="4" direction="in">