Fix ENOENT msg clobbering in fcache.c
Fix ENOENT msg clobbering in fcache.c

By not returning the same error code as we were setting on the context,
the error message was subsequently lost.

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal