Free the temporary vector
Free the temporary vector

vec_add1() seems to be allocating memory which we do not free. Correct
that.

Change-Id: I25dca1871121cdd11a218ff2289a3c51b42e843b
Signed-off-by: Robert Varga <934bee5bfb2180d3ffa181ef3ed7d341cfd7e2b7@hq.sk>

muharif/vpp,muharif/vpp,vpp-dev/vpp,vpp-dev/vpp,GabrielGanne/vpp-flowtable,FDio/vpp,milanlenco/vpp,FDio/vpp,muharif/vpp,milanlenco/vpp,GabrielGanne/vpp-flowtable,FDio/vpp,chrisy/vpp,chrisy/vpp,milanlenco/vpp,chrisy/vpp,FDio/vpp,milanlenco/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,GabrielGanne/vpp-flowtable,vpp-dev/vpp,chrisy/vpp,FDio/vpp,muharif/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,milanlenco/vpp,muharif/vpp,milanlenco/vpp,GabrielGanne/vpp-flowtable,vpp-dev/vpp,GabrielGanne/vpp-flowtable,muharif/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,GabrielGanne/vpp-flowtable