bug#1065: patch - fix crash in ftfont rendering

[klchxbec]

Hello,

This is a fix for a crash in otf font rendering. Emacs crashed for me when 
gsub_gpos->FeatureList.FeatureCount
was zero and otf_langsys->FeatureCount was 2377.

Index: ftfont.c
===================================================================
RCS file: /sources/emacs/emacs/src/ftfont.c,v
retrieving revision 1.31
diff -u -r1.31 ftfont.c
--- ftfont.c    17 Sep 2008 11:48:00 -0000      1.31
+++ ftfont.c    2 Oct 2008 14:25:59 -0000
@@ -1357,7 +1357,7 @@
          else
            break;
 
-         for (features = Qnil, k = otf_langsys->FeatureCount - 1; k >= 0; k--)
+         for (features = Qnil, k = gsub_gpos->FeatureList.FeatureCount - 1; k 
>= 0; k--)
            {
              OTF_TAG_SYM (sym, gsub_gpos->FeatureList.Feature[k].FeatureTag);
              features = Fcons (sym, features);





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