drm_hwcomposer: fix typo in formats switch statement

Change-Id: I71e116fff098860a2aecf587298e7696d4bef012
diff --git a/platformnv.cpp b/platformnv.cpp
index af11c68..e7b6be3 100644
--- a/platformnv.cpp
+++ b/platformnv.cpp
@@ -308,11 +308,11 @@
         v_limit = 2;
         break;
       case DRM_FORMAT_YVU420:
-      case DRM_FORMAT_YUV420;
+      case DRM_FORMAT_YUV420:
       case DRM_FORMAT_YUV422:
       case DRM_FORMAT_UYVY:
       case DRM_FORMAT_YUYV:
-      case DRM_FORMAT_NV12;
+      case DRM_FORMAT_NV12:
       case DRM_FORMAT_NV21:
       case DRM_FORMAT_RGB565:
       case DRM_FORMAT_BGR565: