Log the full path for rejected uploads based on directory

The logged error "!attempted to upload to invalid directory" did log the actual path that was attempted to be uploaded.

Added some quotes around other logged paths.
14 jobs for master in 9 minutes and 51 seconds (queued for 15 seconds)
Status Job ID Name Coverage
  Build
passed #29844
FreeBSD
jsdoor-freebsd

00:03:59

passed #29845
Linux
jsdoor-linux

00:06:33

passed #29847
FreeBSD
jsdoor-windows

00:01:53

passed #29839
FreeBSD
sbbs-freebsd

00:05:32

passed #29834
Linux
sbbs-linux

00:09:47

passed #29837
Windows
sbbs-windows

00:05:45

passed #29846
FreeBSD
sexpots-freebsd

00:00:11

passed #29835
Linux
sexpots-linux

00:00:24

passed #29838
Windows
sexpots-windows

00:00:35

passed #29842
FreeBSD
syncdraw-freebsd

00:00:24

passed #29843
Linux
syncdraw-linux

00:01:07

passed #29840
FreeBSD
syncterm-freebsd

00:01:04

passed #29836
Linux
syncterm-linux

00:03:04

passed #29841
FreeBSD
syncterm-windows

00:01:43