patch 8.2.5073: clang on MS-Windows produces warnings
Problem: Clang on MS-Windows produces warnings.
Solution: Avoid the warnings. (Yegappan Lakshmanan, closes #10546)
diff --git a/src/os_win32.h b/src/os_win32.h
index a98951e..3cc0f47 100644
--- a/src/os_win32.h
+++ b/src/os_win32.h
@@ -198,7 +198,7 @@
// These macros should all compile away to nothing
# define ASSERT(f) ((void)0)
-# define TRACE 1 ? (void)0 : printf
+# define TRACE 1 ? (void)0 : (void)printf
# define TRACE0(sz)
# define TRACE1(sz, p1)
# define TRACE2(sz, p1, p2)