Fixed build error if SRTP is disabled in compile time (thanks Helmut Wolf)

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1802 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/src/pjsua/pjsua_app.c b/pjsip-apps/src/pjsua/pjsua_app.c
index f9dd1a3..39560f1 100644
--- a/pjsip-apps/src/pjsua/pjsua_app.c
+++ b/pjsip-apps/src/pjsua/pjsua_app.c
@@ -1324,6 +1324,7 @@
     pj_strcat2(&cfg, "\n#\n# Media settings:\n#\n");
 
     /* SRTP */
+#if PJMEDIA_HAS_SRTP
     if (app_config.cfg.use_srtp != PJSUA_DEFAULT_USE_SRTP) {
 	pj_ansi_sprintf(line, "--use-srtp %d\n",
 			app_config.cfg.use_srtp);
@@ -1336,7 +1337,7 @@
 			app_config.cfg.srtp_secure_signaling);
 	pj_strcat2(&cfg, line);
     }
-
+#endif
 
     /* Media */
     if (config->media_cfg.enable_ice)
diff --git a/pjsip-apps/src/samples/pcaputil.c b/pjsip-apps/src/samples/pcaputil.c
index e595410..9ea77a0 100644
--- a/pjsip-apps/src/samples/pcaputil.c
+++ b/pjsip-apps/src/samples/pcaputil.c
@@ -154,6 +154,7 @@
 	}
 
 	/* Decrypt SRTP */
+#if PJMEDIA_HAS_SRTP
 	if (app.srtp) {
 	    int len = sz;
 	    status = pjmedia_transport_srtp_decrypt_pkt(app.srtp, PJ_TRUE, 
@@ -177,6 +178,7 @@
 		continue;
 	    }
 	}
+#endif
 
 	/* Update RTP session */
 	pjmedia_rtp_session_update(&app.rtp_sess, r, &seq_st);
@@ -246,6 +248,7 @@
 #endif	/* PJMEDIA_HAS_L16_CODEC */
 
     /* Create SRTP transport is needed */
+#if PJMEDIA_HAS_SRTP
     if (srtp_crypto->slen) {
 	pjmedia_srtp_crypto crypto;
 
@@ -255,6 +258,10 @@
 	T( pjmedia_transport_srtp_create(app.mept, NULL, NULL, &app.srtp) );
 	T( pjmedia_transport_srtp_start(app.srtp, &crypto, &crypto) );
     }
+#else
+    PJ_UNUSED_ARG(srtp_crypto);
+    PJ_UNUSED_ARG(srtp_key);
+#endif
 
     /* Read first packet */
     read_rtp(pkt0.buffer, sizeof(pkt0.buffer), &pkt0.rtp,