Revert "network: Remove an unused label."

This reverts commit 663411401 and correctly undefine out: if needed.

configure.ac

@@ -1011,7 +1011,9 @@ AC_ARG_ENABLE(warnings-as-error,
 if test "x${warnings_as_error}" = "xyes" -o "x${enable_debug}" != "xno"
 then
     RDC_PROG_CC_WERRORFLAGS([unused-function unused-label unused-value unused-parameter unused-variable unused \
-    missing-parameter-type missing-declarations undef address enum-compare implicit-int implicit-function-declaration comment format main missing-braces nonnull parentheses pointer-sign reorder return-type sequence-point switch trigraphs uninitialized])
+    missing-parameter-type missing-declarations undef address enum-compare implicit-int implicit-function-declaration \
+    comment format format-security format-nonliteral main missing-braces nonnull parentheses pointer-sign reorder return-type sequence-point switch trigraphs uninitialized \
+    bad-function-cast end])
 fi
 
 dnl Check for various optimization flags

src/network/getaddrinfo.c

@@ -689,6 +689,9 @@ int vlc_getaddrinfo( vlc_object_t *p_this, const char *node,
 #endif
     ret = getaddrinfo (node, psz_service, &hints, res);
 
+#if defined(AI_IDN) || defined(WIN32)
+out:
+#endif
     LocaleFree (node);
     return ret;
 }