Visual C++ compiler warning fixes.

Mostly signed/unsigned/size_t mismatches, except for one
case treating a bool as an integer.

1 files changed, 1 insertions, 1 deletions

diff --git a/bag.h b/bag.h
index 394cead..fd44d6e 100644
--- a/bag.h
+++ b/bag.h
@@ -115,7 +115,7 @@ inline bool Bag::empty() const
 
 inline int Bag::size() const
 {
-    return m_tiles.size();
+    return (int)m_tiles.size();
 }
 
 inline const LongLetterString &Bag::tiles() const