fix memory leak in deep scanline IlmImfFuzzTest

Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>

OpenEXR/IlmImfFuzzTest/testFuzzDeepScanLines.cpp

@@ -185,6 +185,24 @@ void generateRandomFile(const char filename[], int channelCount,int parts , Comp
         }
 
         pt.writePixels(height);
+
+
+        for (int i = 0; i < height; i++)
+        {
+            //
+            // Fill in data at the last minute.
+            //
+
+            for (int j = 0; j < width; j++)
+            {
+                sampleCount[i][j] = rand() % 4 + 1;
+                for (int k = 0; k < channelCount; k++)
+                {
+                    delete[] (float*) data[k][i][j];
+                }
+            }
+        }
+
     }
 }