Add support for EOF on input

Also remove unneeded indent in Windows-only blocks.

tools/supported/liquids.cpp

@@ -184,6 +184,11 @@ int main (int argc, char** argv)
         string command = "";
         cout <<"[" << mode << ":" << brushname << ":" << amount << ":" << flowmode << ":" << setmode << "]# ";
         getline(cin, command);
+        if (std::cin.eof())
+        {
+            command = "q";
+            std::cout << std::endl; // No newline from the user here!
+        }
         if(command=="help" || command == "?")
         {
             cout << "Modes:" << endl