New formula: sslscan 1.8.0

sslscan is simple-to-build tool. It has a single Makefile and a simple
sslscan.1 man page.

Closes Homebrew/homebrew#8197.

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

Formula/sslscan.rb

@@ -0,0 +1,38 @@
+require 'formula'
+
+class Sslscan < Formula
+  url 'http://sourceforge.net/projects/sslscan/files/sslscan/sslscan%201.8.0/sslscan-1.8.0.tgz'
+  homepage 'https://www.titania-security.com/labs/sslscan'
+  md5 '7f5fa87019024366691c6b27cb3a81e7'
+
+  def patches
+    # Fixes the Makefile to properly build sslscan
+    DATA
+  end
+
+  def install
+    system "make"
+    bin.install ["sslscan"]
+    man1.install ["sslscan.1"]
+  end
+
+  def test
+    system "sslscan"
+  end
+end
+
+__END__
+diff --git a/Makefile b/Makefile
+index a3e1654..b1fbda8 100644
+--- a/Makefile
++++ b/Makefile
+@@ -3,7 +3,7 @@ BINPATH = /usr/bin/
+ MANPATH = /usr/share/man/
+ 
+ all:
+-	gcc -lssl -o sslscan $(SRCS) $(LDFLAGS) $(CFLAGS)
++	$(CC) -lssl -lcrypto -o sslscan $(SRCS) $(LDFLAGS) $(CFLAGS)
+ 
+ install:
+ 	cp sslscan $(BINPATH)
+