Correctly free memory.

Change-Id: I08fcbfa7d27ae413e0a8e8ca6ea305c8530a72c1
diff --git a/libs/hwui/Patch.cpp b/libs/hwui/Patch.cpp
index 0a6eca3..ca0a0b1 100644
--- a/libs/hwui/Patch.cpp
+++ b/libs/hwui/Patch.cpp
@@ -34,7 +34,7 @@
 }
 
 Patch::~Patch() {
-    delete vertices;
+    delete[] vertices;
 }
 
 ///////////////////////////////////////////////////////////////////////////////