Previously autoconf appended too many additional quotes
to parameters like --with-ffmpeg-extra-configure=" --target-os=linux
--extra-cflags='-mfpu=neon -mfloat-abi=softfp'".
Fixes bug #648816.
AS_MKDIR_P(["$ac_top_build_prefix"gst-libs/ext/libav])
cd "$ac_top_build_prefix"gst-libs/ext/libav &&
- $confcmd $embffmpeg_configure_args ||
+ eval "$confcmd $embffmpeg_configure_args" ||
AC_MSG_ERROR([Failed to configure embedded Libav tree])
cd "$origdir"
],