Visual Studio build maintenance.

* Fix compiler warnings
* Add Visual Studio 2013 solution
* Tweak .pro files
* Most importantly, rename main 'quackle' project to
  'libquackle' to avoid solution-level name conflict.  This
  only affects the VS build.

1 files changed, 1 insertions, 1 deletions

diff --git a/clock.cpp b/clock.cpp
index b38b0c7..3c40783 100644
--- a/clock.cpp
+++ b/clock.cpp
@@ -36,7 +36,7 @@ void Stopwatch::start()
 int Stopwatch::elapsed() const
 {
 	time_t now = time(NULL);
-	return now - m_startTime;
+	return (int) (now - m_startTime);
 }
 
 bool Stopwatch::exceeded(int seconds) const