bulk_extractor: Fix BEViewer script; fails with clang

Closes Homebrew/homebrew#16187.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>

Formula/bulk_extractor.rb

@@ -4,6 +4,7 @@ class BulkExtractor < Formula
   homepage 'https://github.com/simsong/bulk_extractor/wiki'
   url 'https://github.com/downloads/simsong/bulk_extractor/bulk_extractor-1.3.tar.gz'
   sha1 '847559ef179a123b3855637396f47348d3318751'
+  head 'https://github.com/simsong/bulk_extractor.git'
 
   depends_on :autoconf
   depends_on :automake
@@ -12,10 +13,25 @@ class BulkExtractor < Formula
   depends_on 'exiv2' => :optional
   depends_on 'libewf' => :optional
 
+  fails_with :clang do
+    build 421
+    cause <<-EOS.undent
+      bulk_extractor.cpp:719:5: error: no matching function for call to
+            'load_scanners'
+          load_scanners(scanners_builtin,histograms);
+          ^~~~~~~~~~~~~
+      ./bulk_extractor_i.h:225:6: note: candidate function not viable: no known
+            conversion from 'scanner_t *[23]' to 'const scanner_t **' (aka 'void
+            (const **)(const class scanner_params &, const class
+            recursion_control_block &)') for 1st argument;
+    EOS
+  end
+
+
   def patches
     # Error in exec install hooks; installing java GUI manually. Reported in
     # https://groups.google.com/group/bulk_extractor-users/browse_thread/thread/ff7cc11e8e6d8e8d
-    "https://gist.github.com/raw/3785687/20a2354930242db502169e1ea78499b40ec97239/gistfile1.txt"
+    "https://gist.github.com/raw/3785687/3a61d57539c2b9ecde44121b370db85ff9d4f86e/makefile.in.patch"
   end
 
   def install