Debugger: normalize stack frame file paths from cdb

Task-number: QTCREATORBUG-23339
Change-Id: If467b6760c3d4c6fdfd74bb0221d948b7f732b18
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -2575,7 +2575,7 @@ static StackFrames parseFrames(const GdbMi &gdbmi, bool *incomplete = nullptr)
         frame.level = QString::number(i);
         const GdbMi fullName = frameMi["fullname"];
         if (fullName.isValid()) {
-            frame.file = fullName.data();
+            frame.file = Utils::FileUtils::normalizePathName(fullName.data());
             frame.line = frameMi["line"].data().toInt();
             frame.usable = false; // To be decided after source path mapping.
             const GdbMi languageMi = frameMi["language"];