[ 27/38] ipv6: Set default hoplimit as zero.

3.0-stable review patch. If anyone has any objections, please let me know. -- From: Li RongQing [ Upstream commit 14edd87dc67311556f1254a8f29cf4dd6cb5b7d1 ] Commit a02e4b7dae4551(Demark default hoplimit as zero) only changes the hoplimit checking condition and default value

[ 27/38] ipv6: Set default hoplimit as zero.

3.0-stable review patch. If anyone has any objections, please let me know. -- From: Li RongQing roy.qing...@gmail.com [ Upstream commit 14edd87dc67311556f1254a8f29cf4dd6cb5b7d1 ] Commit a02e4b7dae4551(Demark default hoplimit as zero) only changes the hoplimit checking