sftp.exe fixed to run within a ssh session

stdout buffer avoided so that printf("sftp>") prompts and other
printf()s come through to the user right away

Author: quamrulmina

sftp.c

@@ -2473,10 +2473,11 @@ main(int argc, char **argv)
 
     WSHELPinitialize();
 
-    allocate_standard_descriptor(STDIN_FILENO);
-    allocate_standard_descriptor(STDOUT_FILENO);
-    allocate_standard_descriptor(STDERR_FILENO);
-    
+    //allocate_standard_descriptor(STDIN_FILENO);
+    //allocate_standard_descriptor(STDOUT_FILENO);
+    //allocate_standard_descriptor(STDERR_FILENO);
+	setvbuf(stdout, NULL, _IONBF, 0);
+
     LoadLibrary("libwindbg.dll");
 
     //sfd_start = 3;