Fix comment for num-mbufs default in startup.conf
Fix comment for num-mbufs default in startup.conf

Change-Id: I8bb175cc9673895d4a8856786ecabfd66dd906e9
Signed-off-by: Dave Wallace <0ed937c0e4b2f09f7bc24acf16cee52b8a199d5f@gmail.com>

chrisy/vpp,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,vpp-dev/vpp,milanlenco/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,milanlenco/vpp,FDio/vpp,chrisy/vpp,milanlenco/vpp,chrisy/vpp,vpp-dev/vpp,FDio/vpp,milanlenco/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp,milanlenco/vpp