Enable init'ed but unused var warning on windows for closer parity with mac/linux warnings.

src/views/win/SkOSWindow_win.cpp

Index: src/views/win/SkOSWindow_win.cpp
===================================================================
--- src/views/win/SkOSWindow_win.cpp	(revision 8271)
+++ src/views/win/SkOSWindow_win.cpp	(working copy)
@@ -202,7 +202,7 @@
         //       buffer before passing to SetDIBitsToDevice().
         SkASSERT(bitmap.width() * bitmap.bytesPerPixel() == bitmap.rowBytes());
         bitmap.lockPixels();
-        int iRet = SetDIBitsToDevice(hdc,
+        SetDIBitsToDevice(hdc,

[reed1, 2013/03/21 13:14:24]

can we say

(void)SetDIBitsToDevice

to sorta document that we know this guy returns something?

[bsalomon, 2013/03/21 13:45:29]

Done.

             0, 0,
             bitmap.width(), bitmap.height(),
             0, 0,