Support JRuby's .RCX kinkyness.

Author: wayneeseguin

scripts/selector

@@ -557,7 +557,7 @@ __rvm_ruby_string()
 
         case "$string" in
 
-          0.[[:digit:]]|0.[[:digit:]]\.[[:digit:]]|1.[[:digit:]]\.[[:digit:]])
+          0.[[:digit:]]|0.[[:digit:]]\.[[:digit:]]|1.[[:digit:]]\.[[:digit:]]*)
             rvm_ruby_version="$string"
             rvm_ruby_revision=""
             rvm_ruby_tag=""