[dia] [warningectomy] hide some msvc warnings

[Hans Breuer <hans src gnome org>]

commit 8302c52905feb1ce7df226fd99feaf2292a1c2d9
Author: Hans Breuer <hans breuer org>
Date:   Sun Jul 21 15:51:35 2013 +0200

    [warningectomy] hide some msvc warnings

 config.h.win32 |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/config.h.win32 b/config.h.win32
index e9402c4..37f9a37 100644
--- a/config.h.win32
+++ b/config.h.win32
@@ -33,4 +33,7 @@
  */
 #define LIBXML_DLL_IMPORT __declspec(dllimport)
 
+#pragma warning(disable:4018) /* signed/unsigned mismatch */
+#pragma warning(disable:4761) /* integral size mismatch in argument; conversion supplied */
+
 #endif