librz: fix move_mount syscall number #16421

Job	Run time
Build on CentOS 7	0s
Build on old Debian ${{ matrix.container }}	0s
Build on gcc 11 ASAN	0s
changes	7s
Build static	0s
Run debug tests on Ubuntu 20.04	0s
Create source tarball	0s
Test source tarball	0s
Build rizin rzpipe	0s
Build rz-bindgen	0s
linux-meson-clang-tests	2s
linux-meson-gcc-tests	1s
macos-meson-clang-tests	2s
linux-gcc-tests-asan	2s
linux-clang-tests-asan	1s
linux-gcc-tests-codecov	1s
capstone-v4	2s
capstone-v5	1s
capstone-sys	1s
no-gpl-code	2s
Include Rizin headers from C++ program (Linux)	0s
Build Windows zip/installer ${{ matrix.name }}	0s
Build Android ${{ matrix.name }} package	0s
Build OSX package	0s
Publish Docker image on Docker Hub	0s
Test EXTRA_PREFIX works well	0s
Test Windows installer built with ${{ matrix.name }}	0s
Test OSX pkg	0s
Create draft release and upload artifacts	0s
	22s

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