Fix ifdef that breaks libzt on iOS (#2050)

osdep/Binder.hpp

@@ -320,7 +320,7 @@ class Binder {
 			//
 			(void)gotViaProc;
 
-#if ! (defined(ZT_SDK) || defined(__ANDROID__))	  // getifaddrs() freeifaddrs() not available on Android
+#if ! defined(__ANDROID__)	  // getifaddrs() freeifaddrs() not available on Android
 			if (! gotViaProc) {
 				struct ifaddrs* ifatbl = (struct ifaddrs*)0;
 				struct ifaddrs* ifa;