QFile/QFileInfo: mark readLink() as deprecated

QFile/QFileInfo::readLink() functions are obsolete but were not marked
as deprecated.
Explicit mark them as deprecated so they can be removed with Qt6.

Change-Id: I52424dc5441e1f5b01015713df990bbec5186caa
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/benchmarks/corelib/io/qfileinfo/main.cpp b/tests/benchmarks/corelib/io/qfileinfo/main.cpp
index 104c01d118..6cc96777a1 100644
--- a/tests/benchmarks/corelib/io/qfileinfo/main.cpp
+++ b/tests/benchmarks/corelib/io/qfileinfo/main.cpp
@@ -81,7 +81,7 @@ void qfileinfo::symLinkTargetPerformanceLNK()
     QString linkTarget;
     QBENCHMARK {
         for(int i=0; i<100; i++)
-            linkTarget = info.readLink();
+            linkTarget = info.symLinkTarget();
     }
     QVERIFY(QFile::remove("link.lnk"));
 }
@@ -104,7 +104,7 @@ void qfileinfo::symLinkTargetPerformanceMounpoint()
     QString linkTarget;
     QBENCHMARK {
         for(int i=0; i<100; i++)
-            linkTarget = info.readLink();
+            linkTarget = info.symLinkTarget();
     }
     QVERIFY(QDir().rmdir(mountpoint));
 }