mgcp_client_test: fix function name

Change-Id: I213f9b2713ff80a16603b8342c204cb546cc782d
diff --git a/tests/mgcp_client/mgcp_client_test.c b/tests/mgcp_client/mgcp_client_test.c
index 37c5f6c..a39f19b 100644
--- a/tests/mgcp_client/mgcp_client_test.c
+++ b/tests/mgcp_client/mgcp_client_test.c
@@ -531,7 +531,7 @@
 	OSMO_ASSERT(!failures);
 }
 
-static void test_map_pt_to_codec(void)
+static void test_map_str_to_codec(void)
 {
 	/* Full form */
 	OSMO_ASSERT(map_str_to_codec("PCMU/8000/1") == CODEC_PCMU_8000_1);
@@ -703,7 +703,7 @@
 	test_mgcp_client_cancel();
 	test_sdp_section_start();
 	test_map_codec_to_pt_and_map_pt_to_codec();
-	test_map_pt_to_codec();
+	test_map_str_to_codec();
 	test_mgcp_client_e1_epname();
 
 	printf("Done\n");