isl_flow.c: all_sources: fix memory management annotation
isl_flow.c: all_sources: fix memory management annotation

The wrong annotation has been used since this function was introduced
in 0eacaaa (isl_access_info_compute_flow: handle may accesses,
Wed May 26 20:51:25 2010 +0200).

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

jleben/isl,PollyLabs/isl,Meinersbur/isl,KangDroidSMProject/ISL,evaautomation/isl,UBERTC/isl,abduld/isl,crossbuild/isl,nicolasvasilache/isl,abduld/isl,abduld/isl,evaautomation/isl,tobig/isl,SaberMod/isl-current,UBERTC/isl,PollyLabs/isl,simbuerg/isl,UBERTC/isl,simbuerg/isl,Distrotech/isl,inducer/isl-mirror,crossbuild/isl,Meinersbur/isl,PollyLabs/isl,nicolasvasilache/isl,Distrotech/isl,jleben/isl,crossbuild/isl,inducer/isl-mirror,PollyLabs/isl,jleben/isl,PollyLabs/isl,tobig/isl,nicolasvasilache/isl,jleben/isl,SaberMod/isl-current,Distrotech/isl,simbuerg/isl,nicolasvasilache/isl,BenzoSM/isl,BenzoSM/isl,BenzoSM/isl,tobig/isl,BenzoSM/isl,inducer/isl-mirror,KangDroidSMProject/ISL,tobig/isl,simbuerg/isl,evaautomation/isl,KangDroidSMProject/ISL,KangDroidSMProject/ISL,BenzoSM/isl,evaautomation/isl,KangDroidSMProject/ISL,inducer/isl-mirror,simbuerg/isl,SaberMod/isl-current,Meinersbur/isl,SaberMod/isl-current,Meinersbur/isl,abduld/isl,Distrotech/isl,inducer/isl-mirror,UBERTC/isl,crossbuild/isl,jleben/isl,nicolasvasilache/isl,Distrotech/isl