socket: Fix uninitialized mem ptr free in osmo_sock_init2_multiaddr2()

The goto tag was wrong, probably due to a copy-paste mistype while
reimplementing the function.

Closes: Coverity CID#336546
Change-Id: I06b810fde7bf750fcb42d6d9e6223883e26f5f0b
---
M src/core/socket.c
1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/core/socket.c b/src/core/socket.c
index c600732..5b7489d 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -905,7 +905,7 @@
 		if (family == AF_INET && loc_has_v6only_addr) {
 			LOGP(DLGLOBAL, LOGL_ERROR, "Cannot bind an IPv6 address to an AF_INET socket\n");
 			rc = -EINVAL;
-			goto ret_freeaddrinfo;
+			goto ret_freeaddrinfo_loc;
 		}
 	}
 	/* figure out remote side of socket */

