package/linux-syscall-support: new package

package/linux-syscall-support: new package

This package provide a header file which will be used by
Google-breakpad package. This avoid using depot-tools script to fetch
all third parties used by Google-breakpad.

Use the version corresponding to the Google-breakpad svn revision 1373:
http://linux-syscall-support.googlecode.com/svn/trunk/lss@24 829466d3-f3f5-3ae4-62ad-de35cf9bba21

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Pascal Huerst <pascal.huerst@gmail.com>
Cc: Frank Hunleth <fhunleth@troodon-software.com>
[Thomas: directly implement installation in the install commands, rather
than using post-install hooks.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>