gdi32: Improve detection of symbol charset for old truetype fonts.

[Dmitry Timoshkov]

This patch uses same check for symbol charset that get_outline_text_metrics()
already does, and allows the font attached to the bug 33117 be correctly
recognized as a symbol ttf (like Windows does).

Signed-off-by: Dmitry Timoshkov <dmitry at baikal.ru>
---
 dlls/gdi32/freetype.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c
index 693a54d..a6c8097 100644
--- a/dlls/gdi32/freetype.c
+++ b/dlls/gdi32/freetype.c
@@ -1980,7 +1980,6 @@ static inline void get_bitmap_size( FT_Face ft_face, Bitmap_Size *face_size )
 static inline void get_fontsig( FT_Face ft_face, FONTSIGNATURE *fs )
 {
     TT_OS2 *os2;
-    FT_UInt dummy;
     CHARSETINFO csi;
     FT_WinFNT_HeaderRec winfnt_header;
     int i;
@@ -1997,10 +1996,10 @@ static inline void get_fontsig( FT_Face ft_face, FONTSIGNATURE *fs )
 
         if (os2->version == 0)
         {
-            if (pFT_Get_First_Char( ft_face, &dummy ) < 0x100)
-                fs->fsCsb[0] = FS_LATIN1;
-            else
+            if (os2->usFirstCharIndex >= 0xf000 && os2->usFirstCharIndex < 0xf100)
                 fs->fsCsb[0] = FS_SYMBOL;
+            else
+                fs->fsCsb[0] = FS_LATIN1;
         }
         else
         {
-- 
2.6.3