bpo-33656: Add enum name for argument of Windows call. (GH-7642)

bpo-33656: Add enum name for argument of Windows call. (GH-7642) · python/cpython@afa1ea5

Original file line number	Diff line number	Diff line change
`@@ -9,10 +9,13 @@`
`9`	`9`	`"Your Python may not be configured for Tk. **", file=sys.__stderr__)`
`10`	`10`	`raise SystemExit(1)`
`11`	`11`
	`12`	`+# Valid arguments for the ...Awareness call below are defined in the following.`
	`13`	`+# https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx`
`12`	`14`	`if sys.platform == 'win32':`
`13`	`15`	`import ctypes`
	`16`	`+PROCESS_SYSTEM_DPI_AWARE = 1`
`14`	`17`	`try:`
`15`		`-ctypes.OleDLL('shcore').SetProcessDpiAwareness(1)`
	`18`	`+ctypes.OleDLL('shcore').SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)`
`16`	`19`	`except (AttributeError, OSError):`
`17`	`20`	`pass`
`18`	`21`