Fix other instances of -Wunused-lambda-capture

qrenderdoc/Windows/Dialogs/CaptureDialog.cpp

@@ -470,6 +470,8 @@ void CaptureDialog::vulkanLayerWarn_mouseClick()
         bool needReg = RENDERDOC_NeedVulkanLayerRegistration(NULL);
         ui->vulkanLayerWarn->setVisible(needReg);
 
+        (void)admin;
+
 #if !defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
         // can't alert the user on linux because the command might still be running - there's
         // seemingly no portable way to wait for the command to finish.

qrenderdoc/Windows/MainWindow.cpp

@@ -2873,7 +2873,7 @@ void MainWindow::on_action_Open_RGP_Profile_triggered()
     return;
 
   QString path;
-  m_Ctx.Replay().BlockAccessInvoke([this, &path](ICaptureAccess *access) {
+  m_Ctx.Replay().BlockAccessInvoke([&path](ICaptureAccess *access) {
     int idx = access->FindSectionByType(SectionType::AMDRGPProfile);
 
     if(idx < 0)