Update qt.cfg

Author: chrchr-github

cfg/qt.cfg

@@ -2307,7 +2307,7 @@
       <not-null/>
     </arg>
   </function>
-  <!-- https://doc.qt.io/qt-6/qdir.html -->
+  <!-- https://doc.qt.io/qt-5/qdir.html -->
   <!-- QString QDir::fromNativeSeparators(const QString &pathName) -->
   <!-- QString QDir::toNativeSeparators(const QString &pathName) -->
   <function name="QDir::fromNativeSeparators,QDir::toNativeSeparators">
@@ -2331,9 +2331,10 @@
       <not-bool/>
     </arg>
   </function>
-  <!-- bool QDir::path() const -->
+  <!-- QString QDir::path() const -->
   <function name="QDir::path">
     <noreturn>false</noreturn>
+    <use-retval/>
     <returnValue type="QString"/>
   </function>
   <!-- QString absolutePath() const -->
@@ -2430,6 +2431,17 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- bool QFile::exists(const QString &fileName) // static -->
+  <!-- bool QFile::exists() const -->
+  <function name="QFile::exists">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" default="&quot;&quot;" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
   <!-- uint QDir::count() const -->
   <function name="QDir::count">
     <noreturn>false</noreturn>