Fix typos in --param option docs.

* doc/invoke/texi (max-cselib-memory-locations): Add missing s at end.
(max-flow-memory-locations): Likewise.

From-SVN: r115026

gcc/doc/invoke.texi

@@ -6189,13 +6189,13 @@ register.  Increasing values mean more aggressive optimization, making the
 compile time increase with probably slightly better performance.  The default
 value is 100.
 
-@item max-cselib-memory-location
+@item max-cselib-memory-locations
 The maximum number of memory locations cselib should take into acount.
 Increasing values mean more aggressive optimization, making the compile time
 increase with probably slightly better performance.  The default value is 500.
 
-@item max-flow-memory-location
-Similar as @option{max-cselib-memory-location} but for dataflow liveness.
+@item max-flow-memory-locations
+Similar as @option{max-cselib-memory-locations} but for dataflow liveness.
 The default value is 100.
 
 @item reorder-blocks-duplicate