rds-command-line-tools: depend on openjdk

Formula/rds-command-line-tools.rb

@@ -3,13 +3,14 @@ class RdsCommandLineTools < Formula
   homepage "https://aws.amazon.com/developertools/2928"
   url "https://rds-downloads.s3.amazonaws.com/RDSCli-1.19.004.zip"
   sha256 "298c15ccd04bd91f1be457645d233455364992e7dd27e09c48230fbc20b5950c"
+  revision 1
 
   bottle :unneeded
 
-  depends_on :java
+  depends_on "openjdk"
 
   def install
-    env = Language::Java.java_home_env.merge(:AWS_RDS_HOME => libexec)
+    env = { :JAVA_HOME => Formula["openjdk"].opt_prefix, :AWS_RDS_HOME => libexec }
     rm Dir["bin/*.cmd"] # Remove Windows versions
     etc.install "credential-file-path.template"
     libexec.install Dir["*"]