Add Filebench Workload Model Language.

Sample file from filebench project, Sun CDDL license.

lib/linguist/heuristics.rb

@@ -144,10 +144,22 @@ module Linguist
       end
     end
 
-    disambiguate ".for", ".f" do |data|
+    fortran_rx = /^([c*][^abd-z]|      (subroutine|program|end)\s|\s*!)/i
+
+    disambiguate ".f" do |data|
       if /^: /.match(data)
         Language["Forth"]
-      elsif /^([c*][^abd-z]|      (subroutine|program|end)\s|\s*!)/i.match(data)
+      elsif data.include?("flowop")
+        Language["Filebench WML"]
+      elsif fortran_rx.match(data)
+        Language["FORTRAN"]
+      end
+    end
+
+    disambiguate ".for" do |data|
+      if /^: /.match(data)
+        Language["Forth"]
+      elsif fortran_rx.match(data)
         Language["FORTRAN"]
       end
     end

lib/linguist/languages.yml

@@ -1135,6 +1135,13 @@ Fantom:
   tm_scope: none
   ace_mode: text
 
+Filebench WML:
+  type: programming
+  extensions:
+  - .f
+  tm_scope: none
+  ace_mode: text
+
 Filterscript:
   type: programming
   group: RenderScript