Fix keyboard modifier typos in Update Win32_Window.h

[jamierobertson1]

Pull Request Template

Description

Typos in vsgWin32::KeyboardMap::getKeySymbol prevented VK_RSHIFT and VK_RMENU key's (Right shift & Right Alt) being mapped to MODKEY_Shift and MODKEY_Alt modifiers.

Previously there were duplicate entries for VK_LSHIFT and VK_LMENU instead of their "R" counterparts.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Tested on windows with master. Keyboard modifiers work correctly for right shift & right alt key presses.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules