build to fails due to openjph type changes

[michaeldsmith]

Several months ago, openjph made many type changes for example converting int to unsigned int in various places. Perhaps the type change from int to uint is causing the openhtjs build to fail now, I get this error when running npm run build

#10 4.713 In file included from /src/src/cpp/HT_internal.cpp:17:
#10 4.713 /src/src/cpp/HTDecoder.hpp:162:51: error: non-const lvalue reference to type 'ojph::ui32' (aka 'unsigned int') cannot bind to a value of unrelated type 'int'
#10 4.713     ojph::line_buf* line = this->codestream_.pull(this->compNum_);
#10 4.713                                                   ^~~~~~~~~~~~~~
#10 4.713 /src/external/OpenJPH/src/core/common/ojph_codestream.h:96:26: note: passing argument to parameter 'comp_num' here
#10 4.713     line_buf* pull(ui32 &comp_num);
#10 4.713                          ^
#10 4.814 1 error generated.

[michaeldsmith]

quick fix is to go back to older version of OpenJPH
from external/openjph
git checkout tags/0.7.3