headers: Add DWRITE_VERTICAL_GLYPH_ORIENTATION definition.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

mingw-w64-headers/include/dwrite_1.h

diff --git a/mingw-w64-headers/include/dwrite_1.h b/mingw-w64-headers/include/dwrite_1.h
index 67b2817..87fbdff 100644
--- a/mingw-w64-headers/include/dwrite_1.h
+++ b/mingw-w64-headers/include/dwrite_1.h
@@ -41,6 +41,12 @@
     DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE
 };
 
+enum DWRITE_VERTICAL_GLYPH_ORIENTATION
+{
+    DWRITE_VERTICAL_GLYPH_ORIENTATION_DEFAULT,
+    DWRITE_VERTICAL_GLYPH_ORIENTATION_STACKED
+};
+
 struct DWRITE_CARET_METRICS {
     INT16 slopeRise;
     INT16 slopeRun;
@@ -429,7 +435,7 @@
             DWRITE_GLYPH_ORIENTATION_ANGLE angle,
             UINT8 adjustedBidilevel,
             WINBOOL isSideways,
-            WINBOOL isRtl); PURE;
+            WINBOOL isRtl) PURE;
 
     END_INTERFACE
 };