Fix copy-and-pasteo.

"Recursion(n).  See "recursion"."

Change-Id: Ic0acab13a6da8e0e00ead32653498d13edf212ac
Reviewed-on: https://code.wireshark.org/review/8098
Reviewed-by: Guy Harris <guy@alum.mit.edu>

macosx-setup.sh

@@ -233,7 +233,7 @@ uninstall_automake() {
         #
         # libtool depends on this(?), so uninstall it.
         #
-        uninstall_automake "$@"
+        uninstall_libtool "$@"
 
         echo "Uninstalling GNU automake:"
         cd automake-$installed_automake_version