Pdftoraster: free colour data after processing of each page (#363)

pdftoraster: Free colordata after end of each page, eliminating a severe memory leak
(cherry picked from commit 995a0271dbc2b0356930876154144003cb0eb86e)

diff --git a/filter/pdftoraster.cxx b/filter/pdftoraster.cxx
old mode 100644 (file)
new mode 100755 (executable)
index 4b1b846..e8af184
--- a/filter/pdftoraster.cxx
+++ b/filter/pdftoraster.cxx
@@ -1645,6 +1645,7 @@ static void writePageImage(cups_raster_t *raster, poppler::document *doc,
       }
     }
   }
+  free(colordata);
   if (allocLineBuf) delete[] lineBuf;
 }