verilog: add void to the parameter list of skipToEOL

An empty parameter list is warned by sparse.
This patch suppress it.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
lxcmd: add static modifier for file local constant

static modifier is added to PseudoTagPrefix which
is a constant used only in lxcmd.c.
This is reported by sparse.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
lxcmd: Use NULL for initialize an pointer variable

Suppress a warning reported by sparse.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
ocaml, readtags: add static modifier for file local variables and constants

static modifiers are added to variables and constants
they are used only in a file.

This pach suppress warnings reported by sparse.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
ruby: Use NULL for initialize an pointer variable

Suppress a warning reported by sparse.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>