Unused variable.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@3810 0c269be4-1314-0410-8aa9-9f06e86f4224

example-clients/samplerate.c

@@ -62,8 +62,6 @@ void parse_arguments(int argc, char *argv[])
 
 int main(int argc, char *argv[])
 {
-	int rc;
-
 	parse_arguments(argc, argv);
 
 	/* become a JACK client */