SetupEnvironment() - clean commit

Rebased-By: Wladimir J. van der Laan <laanwj@gmail.com>
Rebased-From: 5248ff4

src/util.cpp

@@ -1427,3 +1427,19 @@ void RenameThread(const char* name)
 #endif
 }
 
+void SetupEnvironment()
+{
+    #ifndef WIN32
+    try
+    {
+	#if BOOST_FILESYSTEM_VERSION == 3
+            boost::filesystem::path::codecvt(); // Raises runtime error if current locale is invalid
+	#else				          // boost filesystem v2
+            std::locale();                      // Raises runtime error if current locale is invalid
+	#endif
+    } catch(std::runtime_error &e)
+    {
+        setenv("LC_ALL", "C", 1); // Force C locale
+    }
+    #endif
+}