Fix temp mount dir configure option
Fix temp mount dir configure option

The argument to AC_ARG_WITH and AC_HELP_STRING should match.  Whether
the option should be renamed to be less verbose is left for the future.

neuschaefer/libgpod,hyperair/libgpod,hyperair/libgpod,hyperair/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod,neuschaefer/libgpod,hyperair/libgpod,neuschaefer/libgpod