ilmbase 1.0.3

Closes Homebrew/legacy-homebrew#21273.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/ilmbase.rb

@@ -2,13 +2,10 @@
 
 class Ilmbase < Formula
   homepage 'http://www.openexr.com/'
-  url 'http://download.savannah.gnu.org/releases/openexr/ilmbase-1.0.2.tar.gz'
-  sha1 'fe6a910a90cde80137153e25e175e2b211beda36'
+  url 'https://github.com/downloads/openexr/openexr/ilmbase-1.0.3.tar.gz'
+  sha1 '20597d2a27e3b580e0972576e6b07bf4836b5dc6'
 
   def install
-    # prevent 'cc1plus: error: unrecognized command line option "-Wno-long-double"'
-    inreplace 'configure', 'CXXFLAGS="$CXXFLAGS -Wno-long-double"', ''
-
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make install"