libvpd: Replace sprintf with static declaration
libvpd: Replace sprintf with static declaration

Replace sprintf with static declaration

Signed-off-by: Ankit Kumar <7d7f3b0de32b6cc2e9608ebf7986c26b5954d288@linux.vnet.ibm.com>
Reviewed-by: Kamalesh Babulal <30b3129b1a1b0120e30fdc2f7d8e6560be5d0735@linux.vnet.ibm.com>
[Updated description - Vasant]
Signed-off-by: Vasant Hegde <a6d753843573f7bfed5075c1e875b0be8007a0ab@linux.vnet.ibm.com>

kamalesh-babulal/libvpd,kamalesh-babulal/libvpd,kamalesh-babulal/libvpd