Add --no-seh to linker command line when building Windows FFmpeg binaries.

build_ffmpeg.sh

 #!/bin/bash -e
 
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Builds Chromium, Google Chrome and *OS FFmpeg binaries.
 #
 # For Windows it assumes being run from a MinGW shell with Visual Studio
 # environment (i.e., lib.exe and editbin.exe are in $PATH).
@@ skipping 298 matching lines @@
   if [ "$HOST_OS" = "win" ]; then
     if [ "$TARGET_ARCH" = "ia32" ]; then
       add_flag_common --enable-filter=buffer
       add_flag_common --enable-memalign-hack
       add_flag_common --cc=mingw32-gcc
       add_flag_common --extra-cflags=-mtune=atom
       add_flag_common --extra-cflags=-U__STRICT_ANSI__
       add_flag_common --extra-cflags=-I/usr/local/include
       add_flag_common --extra-ldflags=-L/usr/local/lib
       add_flag_common --extra-ldflags=-Wl,--enable-auto-import
+      add_flag_common --extra-ldflags=-Wl,--no-seh
     else
       echo "Error: Unknown TARGET_ARCH=$TARGET_ARCH for TARGET_OS=$TARGET_OS!"
       exit
     fi
   else
     echo "Script should be run on Windows host. If this is not possible try a "
     echo "merge of config files with new linux ia32 config.h by hand."
     exit
   fi
 fi
@@ skipping 55 matching lines @@
 build Chrome $FLAGS_COMMON $FLAGS_CHROME
 
 if [ "$TARGET_OS" = "linux" ]; then
   echo "ChromiumOS configure/build:"
   build ChromiumOS $FLAGS_COMMON $FLAGS_CHROMIUM $FLAGS_CHROMIUMOS
   echo "ChromeOS configure/build:"
   build ChromeOS $FLAGS_COMMON $FLAGS_CHROME $FLAGS_CHROMEOS
 fi
 
 echo "Done. If desired you may copy config.h/config.asm into the source/config tree using copy_config.sh."