New formula: sqlcipher

Closes Homebrew/homebrew#16960.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/sqlcipher.rb

@@ -0,0 +1,19 @@
+require 'formula'
+
+class Sqlcipher < Formula
+  homepage "http://sqlcipher.net"
+  url "https://github.com/sqlcipher/sqlcipher/archive/v2.1.1.tar.gz"
+  sha1 "032110255562e9ada5f31078dc8426441a47a7ce"
+
+  head "https://github.com/sqlcipher/sqlcipher.git"
+
+  keg_only "SQLCipher conflicts with the system and Homebrew SQLites."
+
+  def install
+    system "./configure", "--prefix=#{prefix}", "--enable-tempstore=yes",
+                          "CFLAGS=-DSQLITE_HAS_CODEC", "LDFLAGS=-lcrypto",
+                          "--disable-tcl"
+    system "make"
+    system "make install"
+  end
+end