Fixed a bug with returning from entering a hash path.

The bug was caused by using $? with an if block, to get the result of the
subroutine tested by that same if conditional. This was always evalutating
to the error code given before the conditional, which was 0 (success).

fluxion.sh

@@ -1507,7 +1507,9 @@ fluxion_hash_get_path() {
 
   while true; do
     fluxion_hash_unset_path
-    if ! fluxion_hash_set_path "$@"; then return $?; fi
+    if ! fluxion_hash_set_path "$@"; then
+      return -1 # WARNING: The recent error code is NOT contained in $? here!
+    fi
 
     if fluxion_hash_verify "$FluxionHashPath" "$2" "$3"; then
       break;