[Coverity]: Fixes for issues found from static application security testing

[Coverity]: Fixes for issues found from static application security testing

Adding coverity escapes for false-positive issues.

hgfsServerParameters.c -- 1 issue reported.
issue: Overrunning array of 5 bytes at byte offset 5 by dereferencing
       pointer "newName".
impact: False-Positive
fix: suppress 'overrun-local'

vmhgfs-fuse/file.c -- 2 issues reported.
issue: Overrunning array of n bytes at byte offset n by dereferencing
       pointer "newNameP" (n is 17 and 5 respectively for those 2 locations
       where the issue occured).
impact: False-Positive
fix: suppress 'overrun-local'

vmhgfs-fuse/link.c -- 2 issues reported.
issue: Overrunning array of n bytes at byte offset n by dereferencing
       pointer "fileNameP" (n is 17 and 5 respectively for those 2 locations
       where the issue occured).
impact: False-Positive
fix: suppress 'overrun-local'

vmhgfs-fuse/transport.c -- 1 issue reported.
issue: uninit_use_in_call: Using uninitialized value "reply" while calling
       HgfsCompleteReq() function.
impact: Bug
fix: Remove function, it is unused/dead code (transport.h too).