libgcrypt 1.6.3

Security release.

Closes Homebrew/legacy-homebrew#37254.

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

Formula/libgcrypt.rb

@@ -1,12 +1,12 @@
 class Libgcrypt < Formula
   homepage "https://gnupg.org/"
-  url "ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.2.tar.bz2"
-  mirror "ftp://mirror.tje.me.uk/pub/mirrors/ftp.gnupg.org/libgcrypt/libgcrypt-1.6.2.tar.bz2"
-  sha1 "cc31aca87e4a3769cb86884a3f5982b2cc8eb7ec"
+  url "ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.3.tar.bz2"
+  mirror "http://ftp.heanet.ie/mirrors/ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.3.tar.bz2"
+  mirror "ftp://mirror.tje.me.uk/pub/mirrors/ftp.gnupg.org/libgcrypt/libgcrypt-1.6.3.tar.bz2"
+  sha1 "9456e7b64db9df8360a1407a38c8c958da80bbf1"
 
   bottle do
     cellar :any
-    revision 3
     sha1 "6ff92bb673ffc75595cd1746d3990b3957066580" => :yosemite
     sha1 "95cf78feab0e902da9ca9aee3433b2211254fb0c" => :mavericks
     sha1 "a8c8e6d85ca8dbd30d429ee9c9c50380a7fc0082" => :mountain_lion
@@ -26,6 +26,7 @@ def install
     ENV.universal_binary if build.universal?
 
     system "./configure", "--disable-dependency-tracking",
+                          "--disable-silent-rules",
                           "--prefix=#{prefix}",
                           "--disable-asm",
                           "--with-gpg-error-prefix=#{Formula["libgpg-error"].opt_prefix}"
@@ -42,6 +43,6 @@ def install
   end
 
   test do
-    system "#{bin}/libgcrypt-config", "--libs"
+    system bin/"libgcrypt-config", "--libs"
   end
 end