hqd : Use proper type casts

    * Remove compilation errors
    * Use proper type casts

Change-Id: I1d44c2a2362a1fdd4d6e412ea816d4078e8355c9
:
diff --git a/libqdutils/mdp_version.h b/libqdutils/mdp_version.h
index 853b9f5..d33cc69 100644
--- a/libqdutils/mdp_version.h
+++ b/libqdutils/mdp_version.h
@@ -100,7 +100,9 @@
     int getMDPVersion() {return mMDPVersion;}
     char getPanelType() {return mPanelType;}
     bool hasOverlay() {return mHasOverlay;}
-    uint8_t getTotalPipes() { return (mRGBPipes + mVGPipes + mDMAPipes);}
+    uint8_t getTotalPipes() {
+        return (uint8_t)(mRGBPipes + mVGPipes + mDMAPipes);
+    }
     uint8_t getRGBPipes() { return mRGBPipes; }
     uint8_t getVGPipes() { return mVGPipes; }
     uint8_t getDMAPipes() { return mDMAPipes; }