hwc: Initialize rotator field to NULL.

In case of High resolution MDP comp, initialize rot field to NULL,
which was missing.
This is already done in the Low resolution case.

Change-Id: I5a9be8393cceff58f0ba3b6d85a887949f25af62
diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 56432db..e8559ac 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -631,6 +631,7 @@
             hwc_layer_1_t* layer = &list->hwLayers[nYuvIndex];
             PipeLayerPair& info = currentFrame.pipeLayer[nYuvIndex];
             info.pipeInfo = new MdpPipeInfoHighRes;
+            info.rot = NULL;
             MdpPipeInfoHighRes& pipe_info = *(MdpPipeInfoHighRes*)info.pipeInfo;
             if(!acquireMDPPipes(ctx, layer, pipe_info,MDPCOMP_OV_VG)) {
                 ALOGD_IF(isDebug(),"%s: Unable to get pipe for videos",
@@ -651,6 +652,7 @@
 
         PipeLayerPair& info = currentFrame.pipeLayer[index];
         info.pipeInfo = new MdpPipeInfoHighRes;
+        info.rot = NULL;
         MdpPipeInfoHighRes& pipe_info = *(MdpPipeInfoHighRes*)info.pipeInfo;
 
         ePipeType type = MDPCOMP_OV_ANY;