Debugger: Use FilePath for Modules

Change-Id: Ib3c8cf0de3560fdc77775460aa6282d69dbfef9e
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/debugger/pdb/pdbengine.cpp

@@ -294,7 +294,7 @@ void PdbEngine::refreshModules(const GdbMi &modules)
                 && path.endsWith("' (built-in)>")) {
             path = "(builtin)";
         }
-        module.modulePath = path;
+        module.modulePath = FilePath::fromString(path);
         handler->updateModule(module);
     }
     handler->endUpdateAll();