gdk: Add workaround for Visual Studio

apparently casting something to itself makes it not constant.

diff --git a/gdk/gdkglversionprivate.h b/gdk/gdkglversionprivate.h
index 3b1f8352df9bd2f4b3b59fec88308c14aabee282..a144b5679c165200fbb019129ea9246cdacee3c6 100644 (file)
--- a/gdk/gdkglversionprivate.h
+++ b/gdk/gdkglversionprivate.h
@@ -49,8 +49,7 @@ struct _GdkGLVersion
   int minor;
 };
 
-#define GDK_GL_VERSION_INIT(maj,min) (GdkGLVersion) { maj, min }
-#define GDK_GL_VERSION_STRING(str) GDK_GL_VERSION_INIT(str[0] - '0', str[2] - '0')
+#define GDK_GL_VERSION_INIT(maj,min) { maj, min }
 
 static const GdkGLVersion supported_gl_versions[] = {
   GDK_GL_VERSION_INIT (4, 6),
@@ -77,6 +76,10 @@ static const GdkGLVersion supported_gles_versions[] = {
   GDK_GL_VERSION_INIT (0, 0)
 };
 
+#undef GDK_GL_VERSION_INIT
+#define GDK_GL_VERSION_INIT(maj,min) (GdkGLVersion) { maj, min }
+#define GDK_GL_VERSION_STRING(str) GDK_GL_VERSION_INIT(str[0] - '0', str[2] - '0')
+
 static inline const GdkGLVersion *
 gdk_gl_versions_get_for_api (GdkGLAPI api)
 {