[Posix] Fix compilation

appveyor.yml

@@ -5,6 +5,7 @@ shallow_clone: true
 skip_commits:
   files:
     - .travis.yml
+    - Dockerfile
     - Doxyfile
     - LICENSE
     - License-Cabin.txt
@@ -15,6 +16,7 @@ skip_commits:
     - 'writing style.md'
     - doc/*
     - NazaraModuleTemplate/*
+  message: /\[Posix\]/
 
 os:
   - Visual Studio 2017

src/Nazara/Platform/X11/WindowImpl.cpp

@@ -171,7 +171,7 @@ namespace Nz
 
 			// Wait until the thread is ready
 			std::unique_lock<std::mutex> lock(mutex);
-			m_thread = std::string(WindowThread, this, std::ref(mutex), std::ref(condition));
+			m_thread = std::thread(WindowThread, this, std::ref(mutex), std::ref(condition));
 			condition.wait(lock);
 		}