Include checksum in non-ack mode

Patch from Abid, Hafiz.

llvm-svn: 188801
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index edce054..d7efdf2 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -159,12 +159,9 @@
 {
     int checksum = 0;
 
-    // We only need to compute the checksum if we are sending acks
-    if (GetSendAcks ())
-    {
-        for (size_t i = 0; i < payload_length; ++i)
-            checksum += payload[i];
-    }
+    for (size_t i = 0; i < payload_length; ++i)
+        checksum += payload[i];
+
     return checksum & 255;
 }