Fixed bug in --rtp-port argument parsing

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@325 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsua-lib/pjsua_settings.c b/pjsip/src/pjsua-lib/pjsua_settings.c
index 8e7709c..a5013bf 100644
--- a/pjsip/src/pjsua-lib/pjsua_settings.c
+++ b/pjsip/src/pjsua-lib/pjsua_settings.c
@@ -509,6 +509,7 @@
 			  "Error: rtp-port argument value (expecting 1-65535"));
 		return -1;
 	    }
+	    break;
 
 	case OPT_ADD_CODEC:
 	    pjsua.codec_arg[pjsua.codec_cnt++] = pj_str(pj_optarg);