Minor fixes for some issues raised by GCC since it's more strict than Microsoft's compiler
Minor fixes for some issues raised by GCC since it's more strict than Microsoft's compiler

git-svn-id: 9e047e1e624cce0a2485e750063112e834f85522@5974 fc29be9c-2cb0-420d-b520-73dbd18add6e

opensim-org/opensim-gui,opensim-org/opensim-gui,opensim-org/opensim-gui,opensim-org/opensim-gui