Revert "grml.. nScanLineBufferComponents still needs to be on jmp stack"

This reverts commit d3892160.

Author is obviously too dumb for this. It's alright, isn't it?

vcl/source/filter/jpeg/jpegc.cxx

@@ -69,7 +69,6 @@ void ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream, long* pLines,
     long                            nAlignedWidth;
     JSAMPLE*                        aRangeLimit;
     boost::scoped_array<unsigned char> pScanLineBuffer;
-    long                            nScanLineBufferComponents;
 
     if ( setjmp( jerr.setjmp_buffer ) )
     {
@@ -150,7 +149,7 @@ void ReadJPEG( JPEGReader* pJPEGReader, void* pInputStream, long* pLines,
     nAlignedWidth = aCreateBitmapParam.nAlignedWidth;
     aRangeLimit = cinfo.sample_range_limit;
 
-    nScanLineBufferComponents = 0;
+    long nScanLineBufferComponents = 0;
     if ( cinfo.out_color_space == JCS_CMYK )
     {
         nScanLineBufferComponents = cinfo.output_width * 4;