modutils: explain why we no longer quote params

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

modutils/modutils.c

@@ -71,6 +71,11 @@ char* FAST_FUNC parse_cmdline_module_options(char **argv)
 	optlen = 0;
 	while (*++argv) {
 		options = xrealloc(options, optlen + 2 + strlen(*argv) + 2);
+		/* Older versions were enclosing space-containing *argv in "",
+		 * but both modprobe and insmod from module-init-tools 3.11.1
+		 * don't do this anymore. (As to extra trailing space,
+		 * insmod adds it but modprobe does not. We do in both cases)
+		 */
 		optlen += sprintf(options + optlen, "%s ", *argv);
 	}
 	return options;