Fix typo.

src/sinfo/sinfo.c

@@ -97,7 +97,7 @@ int main(int argc, char *argv[])
 		if (params.iterate) {
 			if (sinfo_list) {
 				list_destroy(sinfo_list);
-				sinfo_list = NULL:
+				sinfo_list = NULL;
 			}
 			printf("\n");
 			sleep(params.iterate);