Updated -l command line option

doc/freecraft.html

@@ -178,7 +178,7 @@ freecraft [OPTIONS] [map.pud|map.pud.gz]
     <LI>-h<BR>
 	Show command line help.
     <LI>-l<BR>
-	Enable command log to <VAR>"command.log"</VAR>
+	Disable command log.
     <LI>-n [localport:]serverhost[:port]<BR>
 	Connect to FreeCraft server <VAR>serverhost</VAR>.
 	<VAR>serverhost</VAR> is the name of the server like "freecraft.org"

src/stratagus/stratagus.cpp

@@ -1266,7 +1266,7 @@ local void Usage(void)
 \t-e\t\tStart editor\n\
 \t-f factor\tComputer units cost factor\n\
 \t-h\t\tHelp shows this page\n\
-\t-l\t\tEnable command log to \"command.log\"\n\
+\t-l\t\tDisable command log\n\
 \t-P port\t\tNetwork port to use\n\
 \t-n server\tNetwork server host preset\n\
 \t-L lag\t\tNetwork lag in # frames (default 10 = 333ms)\n\