port-i386/51187: src/sys/arch/i386/i386/multiboot.c:596]: (style) Redundant condition

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>Number:         51187
>Category:       port-i386
>Synopsis:       src/sys/arch/i386/i386/multiboot.c:596]: (style) Redundant condition
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon May 30 06:20:01 +0000 2016
>Originator:     David Binderman
>Release:        cvs dated 20160529
>Organization:
>Environment:
>Description:
src/sys/arch/i386/i386/multiboot.c:596]: (style) Redundant condition: If 'EXPR == ' '', the comparison 'EXPR != 0' is always true.

Source code is

    while (*cl != '\0' && *cl == ' ')

Suggest new code

    while (*cl == ' ')


Also in the same file

[src/sys/arch/i386/i386/multiboot.c:228]: (warning) %d in format string (no. 2) requires 'int' but the argument type is 'size_t {aka unsigned long}'.
[src/sys/arch/i386/i386/multiboot.c:230]: (warning) %d in format string (no. 2) requires 'int' but the argument type is 'size_t {aka unsigned long}'.

Suggest use %lu, not %d.
>How-To-Repeat:

>Fix: