vfs_busy can only return something useful if MNTK_UNMOUNT has been set. Since we are using vfs_busy() on a freshly allocated mount structure, use (void) to show that we do not care about the return value.
vfs_busy can only return something useful if MNTK_UNMOUNT has been set.
Since we are using vfs_busy() on a freshly allocated mount structure, use
(void) to show that we do not care about the return value.

Found with:	Coverity Prevent (tm)
MFC after:	2 weeks

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase