[freetype2] master c13635e: [base] Fix numeric overflow.

[Werner LEMBERG]

branch: master
commit c13635ee4bf34e621816cd09d7f2baf918e20af8
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>

    [base] Fix numeric overflow.
    
    Reported as
    
      https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080
    
    * src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'.
---
 ChangeLog          | 10 ++++++++++
 src/base/ftoutln.c |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 7854293..94879e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,15 @@
 2018-10-29  Werner Lemberg  <address@hidden>
 
+       [base] Fix numeric overflow.
+
+       Reported as
+
+         https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080
+
+       * src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'.
+
+2018-10-29  Werner Lemberg  <address@hidden>
+
        [cff] Fix numeric overflow.
 
        Reported as
diff --git a/src/base/ftoutln.c b/src/base/ftoutln.c
index 85a4697..f54ebdf 100644
--- a/src/base/ftoutln.c
+++ b/src/base/ftoutln.c
@@ -1076,7 +1076,8 @@
         v_cur.y = points[n].y >> yshift;
 
         area = ADD_LONG( area,
-                         ( v_cur.y - v_prev.y ) * ( v_cur.x + v_prev.x ) );
+                         MUL_LONG( v_cur.y - v_prev.y,
+                                   v_cur.x + v_prev.x ) );
 
         v_prev = v_cur;
       }