Fixed a bug in the logfile option

Also added the --logfile long form and documented it more thoroughly.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1325 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/doc/users/manual.txt

@@ -65,6 +65,11 @@ Print fps information in the status window.
 
 Set the directory where the game will seek its data.
 
+	-l               (or --logfile)
+
+Set a file to receive the diagnostic information that would otherwise go 
+to the console.
+
 	-h               (or --help)
 
 Display a help message.

sc2/src/starcon2.c

@@ -112,6 +112,7 @@ main (int argc, char *argv[])
 		{"nosubtitles", 0, NULL, 'u'},
 		{"music", 1, NULL, 'm'},
 		{"gamma", 1, NULL, 'g'},
+		{"logfile", 1, NULL, 'l'},
 		//  options with no short equivalent
 		{"cscan", 1, NULL, CSCAN_OPT},
 		{"menu", 1, NULL, MENU_OPT},
@@ -128,7 +129,7 @@ main (int argc, char *argv[])
 		option.  If it was given, redirect stderr to the named file
 	*/
 	opterr = 0;
-	while ((c = getopt_long (argc, argv, "l:", NULL, 0)) != -1)
+	while ((c = getopt_long (argc, argv, "l:", long_options, 0)) != -1)
 	{
 		switch (c) {
 			case 'l':
@@ -349,7 +350,7 @@ main (int argc, char *argv[])
 				printf("  -q, --audioquality=QUALITY (high, medium or low, "
 						"default medium)\n");
 				printf("  -u, --nosubtitles\n");
-				printf("  -l FILE (sends console output to logfile FILE)\n");
+				printf("  -l, --logfile=FILE (sends console output to logfile FILE)\n");
 				printf("  --addon <addon> (using a specific addon; "
 						"may be specified multiple times)\n");
 				printf("  --sound=DRIVER (openal, mixsdl, none; default "