szl: system openssl fix

Fix for tapping the system OpenSSL and some style nits.

Closes Homebrew/homebrew#36419.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/szl.rb

@@ -1,10 +1,8 @@
-require "formula"
-
 class Szl < Formula
-  homepage "http://code.google.com/p/szl/"
+  homepage "https://code.google.com/p/szl/"
   url "https://szl.googlecode.com/files/szl-1.0.tar.gz"
   sha1 "e4c6d4aec1afc025257d41dd77b8f5c25ea120d4"
-  revision 3
+  revision 4
 
   bottle do
     cellar :any
@@ -17,6 +15,7 @@ class Szl < Formula
   depends_on "icu4c"
   depends_on "protobuf"
   depends_on "pcre"
+  depends_on "openssl"
 
   # 10.9 and clang fixes
   # Include reported upstream in:
@@ -29,7 +28,11 @@ class Szl < Formula
     ENV["OBJDUMP"] = "#{HOMEBREW_PREFIX}/bin/gobjdump"
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
-    system "make install"
+    system "make", "install"
+  end
+
+  test do
+    system bin/"szl", "-V"
   end
 end