Fix streaming on old servers

moonlight-common/src/main/java/com/limelight/nvstream/NvConnection.java

@@ -95,11 +95,8 @@ public class NvConnection {
 			return false;
 		}
 
+		// May be missing for older servers
 		context.serverGfeVersion = h.getGfeVersion(serverInfo);
-		if (context.serverGfeVersion == null) {
-			context.connListener.displayMessage("Server GFE version malformed");
-			return false;
-		}
 				
 		if (h.getPairState(serverInfo) != PairingManager.PairState.PAIRED) {
 			context.connListener.displayMessage("Device not paired with computer");

moonlight-common/src/main/jni/moonlight-core/callbacks.c

@@ -409,7 +409,7 @@ Java_com_limelight_nvstream_jni_MoonBridge_startConnection(JNIEnv *env, jclass c
     SERVER_INFORMATION serverInfo = {
             .address = (*env)->GetStringUTFChars(env, address, 0),
             .serverInfoAppVersion = (*env)->GetStringUTFChars(env, appVersion, 0),
-            .serverInfoGfeVersion = (*env)->GetStringUTFChars(env, gfeVersion, 0),
+            .serverInfoGfeVersion = gfeVersion ? (*env)->GetStringUTFChars(env, gfeVersion, 0) : NULL,
     };
     STREAM_CONFIGURATION streamConfig = {
             .width = width,
@@ -445,7 +445,9 @@ Java_com_limelight_nvstream_jni_MoonBridge_startConnection(JNIEnv *env, jclass c
 
     (*env)->ReleaseStringUTFChars(env, address, serverInfo.address);
     (*env)->ReleaseStringUTFChars(env, appVersion, serverInfo.serverInfoAppVersion);
-    (*env)->ReleaseStringUTFChars(env, gfeVersion, serverInfo.serverInfoGfeVersion);
+    if (gfeVersion != NULL) {
+        (*env)->ReleaseStringUTFChars(env, gfeVersion, serverInfo.serverInfoGfeVersion);
+    }
 
     return ret;
 }