Use lowercase windows.h in includes to fix Windows cross compilation using mingw.
While it doesn't matter on Windows, mingw on case-sensitive OSes uses all lower case filenames for platform include files. I found the problem in SkCondVar.h from Mozilla checkout of skia sources, but the patch contains a fix for the whole skia tree.
R=bungeman@google.com
Review URL: https://codereview.chromium.org/99173003
git-svn-id: http://skia.googlecode.com/svn/trunk@12461 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/BenchSysTimer_windows.cpp b/bench/BenchSysTimer_windows.cpp
index 1c4e404..fab657a 100644
--- a/bench/BenchSysTimer_windows.cpp
+++ b/bench/BenchSysTimer_windows.cpp
@@ -9,7 +9,7 @@
//Time
#define WIN32_LEAN_AND_MEAN 1
-#include <Windows.h>
+#include <windows.h>
static ULONGLONG winCpuTime() {
FILETIME createTime;