Document command parameters.

Add documentation for all commands that have parameters.
Fix a couple of minor doc and programming bugs, too.

Fixes #10313

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10371)
diff --git a/apps/storeutl.c b/apps/storeutl.c
index 980120a..85fb1ed 100644
--- a/apps/storeutl.c
+++ b/apps/storeutl.c
@@ -58,6 +58,9 @@
     {"out", OPT_OUT, '>', "Output file - default stdout"},
     {"text", OPT_TEXT, '-', "Print a text form of the objects"},
     {"noout", OPT_NOOUT, '-', "No PEM output, just status"},
+
+    OPT_PARAMETERS(),
+    {"uri", 0, 0, "URI of the store object"},
     {NULL}
 };