[gobject-introspection] MSVC.README.rst: Fix previous update

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

commit 139d71ad60f97283551c929fcb1618085b61a9d5
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Sat Aug 11 02:31:28 2018 +0800

    MSVC.README.rst: Fix previous update
    
    The default Cairo-GObject DLL filename should be for MinGW/mingw-w64
    builds, not Visual Studio builds, hence the likely need to use the
    -Dcairo-libname option for MSVC builds... doh.

 MSVC.README.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/MSVC.README.rst b/MSVC.README.rst
index 91e03dd3..a666f59d 100644
--- a/MSVC.README.rst
+++ b/MSVC.README.rst
@@ -55,7 +55,7 @@ to be on the same drive as the G-I sources).  In that directory, run the followi
 
 The -Dcairo-libname is likely necessary as the default DLL file name for Cairo-GObject
 may likely not match the default "libcairo-gobject-2.dll", which is the default
-DLL filename for Cairo-GObject that is built with Visual Studio.
+DLL filename for Cairo-GObject that is built with MinGW/mingw-w64.
 
 The -Dpython is likely necessary when using multiple Python installations on the
 system and is necessary when building with Visual Studio 2008~2013 when building