[Cin] one more termux patch!

[Andrea paz]

1- Applying only the first patch and then moving the result
(libavc1394-0.5.4.patch1) to .../thirdparty//src, the compilation is
successful, without even using patch 2.
I used patch < ... instead of git am

2- Using also the second patch and moving the result
(libavc1394-0.5.4.patch1 and libavc1394-0.5.4.patch2) to
.../thirdparty/src, the compilation is still successful. I couldn't
tell the differences.

3- Using only the first patch with "git am" the compilation is
successful. In this case I put the patch in .../cinelerra-5.1, without
entering /thirdparty and without moving the result of the patch to
/thirdparty/src. I can't tell if there are any differences with the
other builds.