Merge to M44: Integer overflow in CJBig2_Image::expand

1. New size should be larger than old size in JBig2_Realloc.
2. Arguments are integers but parameters are size_t in JBIG2_memset.
   After integer overflows, it will be presented as a huge
   unsigned number on 64 bits system.


Review URL:

(cherry picked from commit e9ccc9bc449846107f1c539e25677f4877ddf22f)

Review URL: .
1 file changed