-Negative/zero slot ids have been used by some to indicate a management module, may not be the best way, but provide compatibility for those scenarios, part 2

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2141 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/plugins/blade.pm

@@ -655,7 +655,7 @@ sub vitals {
 
    if ( $#_ == 0 && $_[0] eq '' ) { pop @_; push @_,"all" }	#-- default is all if no argument given
 
-   if ( defined $slot ) { 	#-- blade query
+   if ( defined $slot and $slot > 0 ) { 	#-- blade query
      foreach (@_) {
        if ($_ eq 'all') {
          push @vitems,qw(temp voltage wattage summary);