Perl cleanups in sql-bench.

Thanks to Chris Richmond MD6-FDC <crichmon@pcocd2.intel.com> for the
patch.

sql-bench/crash-me.sh

-#!@PERL@
+#!@PERL@ -w
 # Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
 #
 # This library is free software; you can redistribute it and/or
@@ -1333,8 +1333,7 @@ report("index in create table",'index_in_create',
 
 # The following must be executed as we need the value of end_drop_keyword
 # later
-if (! defined($limits{'create_index'}) &&
-	! defined($limits{'drop_index'}) )
+if (defined($limits{'create_index'}) && defined($limits{'drop_index'}))
 {
   if ($res=safe_query("create index crash_q on crash_me (a)"))
   {
@@ -2659,7 +2658,7 @@ sub safe_query_result
     $sth->finish;
     return ($result_type == 8) ? 0 : 1;
   }
-  if(result_type == 8) {
+  if($result_type == 8) {
     $sth->finish;
     return 1;
   }

sql-bench/server-cfg.sh

@@ -124,7 +124,7 @@ sub new
   $limits{'max_conditions'}	= 9999; # (Actually not a limit)
   $limits{'max_columns'}	= 2000;	# Max number of columns in table
   # Windows can't handle that many files in one directory
-  $limits{'max_tables'}		= ($machine =~ "^win") ? 5000 : 65000;
+  $limits{'max_tables'}		= (($machine || '') =~ "^win") ? 5000 : 65000;
   $limits{'max_text_size'}	= 65000; # Max size with default buffers.
   $limits{'query_size'}		= 1000000; # Max size with default buffers.
   $limits{'max_index'}		= 16; # Max number of keys