Use delete[] on objects allocated with new[].

Bug: 28589404
Change-Id: Idb5bdf91586a3454b24ee37a3d293b0fabf8780a
diff --git a/perftests/panorama/feature_mos/src/mosaic/Blend.cpp b/perftests/panorama/feature_mos/src/mosaic/Blend.cpp
index 893a7be..98b09b1 100644
--- a/perftests/panorama/feature_mos/src/mosaic/Blend.cpp
+++ b/perftests/panorama/feature_mos/src/mosaic/Blend.cpp
@@ -781,10 +781,10 @@
 
     for(int j=0; j<imgMos.Y.height; j++)
     {
-        delete b[j];
+        delete [] b[j];
     }
 
-    delete b;
+    delete [] b;
 
     return BLEND_RET_OK;
 }