Remove unused 'list' param from vgsplit - conflict with maxlogicalvolumes param.

Initialize lvm command getopt buffer to zero before building options string.
Bugzilla: bz251992

---
 man/vgsplit.8      |    3 +--
 tools/commands.h   |    3 +--
 tools/lvmcmdline.c |    1 +
 3 files changed, 3 insertions(+), 4 deletions(-)

man/vgsplit.8

@@ -9,8 +9,7 @@ vgsplit \- split a volume group into two
 .RB [ \-c | \-\-clustered " {" y | n }]
 .RB [ \-d | \-\-debug ]
 .RB [ \-h | \-\-help ]
-.RB [ \-l | \-\-list ]
-.RB [ \-\-maxlogicalvolumes
+.RB [ \-l | \-\-maxlogicalvolumes
 .IR MaxLogicalVolumes ]
 .RB [ -M | \-\-metadatatype
 .IR type ]

tools/commands.h

@@ -878,7 +878,6 @@ xx(vgsplit,
    "\t[-c|--clustered {y|n}] " "\n"
    "\t[-d|--debug] " "\n"
    "\t[-h|--help] " "\n"
-   "\t[-l|--list]" "\n"
    "\t[-l|--maxlogicalvolumes MaxLogicalVolumes]" "\n"
    "\t[-M|--metadatatype 1|2] " "\n"
    "\t[-p|--maxphysicalvolumes MaxPhysicalVolumes] " "\n"
@@ -889,7 +888,7 @@ xx(vgsplit,
    "\tSourceVolumeGroupName DestinationVolumeGroupName" "\n"
    "\tPhysicalVolumePath [PhysicalVolumePath...]\n",
 
-   alloc_ARG, autobackup_ARG, clustered_ARG, list_ARG,
+   alloc_ARG, autobackup_ARG, clustered_ARG,
    maxlogicalvolumes_ARG, maxphysicalvolumes_ARG,
    metadatatype_ARG, physicalextentsize_ARG, test_ARG)
 

tools/lvmcmdline.c

@@ -584,6 +584,7 @@ static int _process_command_line(struct cmd_context *cmd, int *argc,
 		a->ui64_value = 0;
 	}
 
+	memset(str, 0, sizeof(str));
 	/* fill in the short and long opts */
 	for (i = 0; i < cmd->command->num_args; i++)
 		_add_getopt_arg(cmd->command->valid_args[i], &ptr, &o);