[Patch] pcl6: Fix mismatching allocation and deallocation

[mt]

fSeedRow and fBuffer are allocated by new[] [1][2], but deallocated by delete [3][4]. [1] ​http://cgit.haiku-os.org/haiku/tree/src/add-ons/print/drivers/pcl6/DeltaRowCompression.cpp#n19 [2] ​http://cgit.haiku-os.org/haiku/tree/src/add-ons/print/drivers/pcl6/PCL6Writer.cpp#n20 [3] ​http://cgit.haiku-os.org/haiku/tree/src/add-ons/print/drivers/pcl6/DeltaRowCompression.cpp#n29 [4] ​http://cgit.haiku-os.org/haiku/tree/src/add-ons/print/drivers/pcl6/PCL6Writer.cpp#n29

/home/haiku/haiku/haiku/src/add-ons/print/drivers/pcl6/DeltaRowCompression.cpp:29:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'? [-Wmismatched-new-delete]
        delete fSeedRow;
        ^
              []
/home/haiku/haiku/haiku/src/add-ons/print/drivers/pcl6/DeltaRowCompression.cpp:19:11: note: allocated with 'new[]' here
        fSeedRow(new uchar[rowSize]),
                 ^
/home/haiku/haiku/haiku/src/add-ons/print/drivers/pcl6/PCL6Writer.cpp:29:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'? [-Wmismatched-new-delete]
        delete fBuffer;
        ^
              []
/home/haiku/haiku/haiku/src/add-ons/print/drivers/pcl6/PCL6Writer.cpp:20:10: note: allocated with 'new[]' here
        fBuffer(new uint8[bufferSize]),
                ^

[pulkomandy]

Fixed in hrev50402.