[gtkmm/use-dllexport-3-24: 15/15] NMake Makefiles: Ignore warning C4273

[Chun-wei Fan <fanchunwei src gnome org>]

commit 703c9805e940cc7add0d352872552ede88c76747
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed May 13 15:23:35 2020 +0800

    NMake Makefiles: Ignore warning C4273
    
    We are likely using the dll-interface for our builds here, which we know pretty
    well, so we can just ignore this warning here too, as our builds here are tied
    to the CRT version

 MSVC_NMake/config-msvc.mak | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/MSVC_NMake/config-msvc.mak b/MSVC_NMake/config-msvc.mak
index ec8a3493..f1c41c06 100644
--- a/MSVC_NMake/config-msvc.mak
+++ b/MSVC_NMake/config-msvc.mak
@@ -125,7 +125,7 @@ GDKMM_BASE_CFLAGS =         \
        /EHsc   \
        /Ivs$(PDBVER)\$(CFG)\$(PLAT)    \
        /I..\gdk /I.\gdkmm      \
-       /wd4530 /wd4251 /wd4275 \
+       /wd4530 /wd4251 /wd4273 /wd4275 \
        /FImsvc_recommended_pragmas.h
 
 !if $(PDBVER) >= 14