Remove warning "implicit conversion changes signedness" in jpegImageCodecImpl.cpp

[Paolo Brandoli]

/Users/vagrant/git/imebra/library/implementation/jpegImageCodecImpl.cpp:1143:81: warning: implicit conversion changes signedness: 'std::int32_t' (aka 'int') to 'unsigned int' [-Wsign-conversion]

                        amplitude = ((std::uint32_t)1 << amplitudeLength) + diff - 1;
                                                                          ~ ^~~~

/Users/vagrant/git/imebra/library/implementation/jpegImageCodecImpl.cpp:1417:69: warning: implicit conversion changes signedness: 'std::int32_t' (aka 'int') to 'unsigned int' [-Wsign-conversion]

            amplitude = ((std::uint32_t)1 << amplitudeLength) + value -1;
                                                              ~ ^~~~~

[Paolo Brandoli]

Addresses #198. Added cast to prevent warning

→ <<cset e8708ff92179482510dcba5b34a63f85fa4a9fdb>>

[Paolo Brandoli]

Addresses #198. Corrected left shift

→ <<cset 14362de3889577fd7d0e59a4df5d42ec0ba8d730>>

[Paolo Brandoli]

Addresses #198. Updated changes log.

→ <<cset 7acc25e1b6c868f8a6673d629a2c5a02e0046ba9>>

[Paolo Brandoli]

Resolves #198 (Remove warning "implicit conversion changes signedness" in jpegImageCodecImpl.cpp) as per SOP FIXBUG/2

→ <<cset f56f34299ae4a8907b07441162cfeb8dfb422ec4>>

[Paolo Brandoli]

Closed in 4.2.1.1