remove String#has_suffix? monkey-patch; use String#end_with?

lib/rscons/builders/object.rb

@@ -46,8 +46,8 @@ module Rscons
       end
 
       def produces?(target, source, env)
-        target.has_suffix?(env['OBJSUFFIX']) and KNOWN_SUFFIXES.find do |compiler, suffix_var|
-          source.has_suffix?(env[suffix_var])
+        target.end_with?(*env['OBJSUFFIX']) and KNOWN_SUFFIXES.find do |compiler, suffix_var|
+          source.end_with?(*env[suffix_var])
         end
       end
 
@@ -58,7 +58,7 @@ module Rscons
           '_DEPFILE' => target.set_suffix('.mf'),
         })
         com_prefix = KNOWN_SUFFIXES.find do |compiler, suffix_var|
-          sources.first.has_suffix?(env[suffix_var])
+          sources.first.end_with?(*env[suffix_var])
         end.tap do |v|
           v.nil? and raise "Error: unknown input file type: #{sources.first.inspect}"
         end.first

lib/rscons/builders/program.rb

@@ -21,9 +21,9 @@ module Rscons
         return false unless objects
         ld = if env["LD"]
                env["LD"]
-             elsif sources.find {|s| s.has_suffix?(env["DSUFFIX"])}
+             elsif sources.find {|s| s.end_with?(*env["DSUFFIX"])}
                env["DC"]
-             elsif sources.find {|s| s.has_suffix?(env["CXXSUFFIX"])}
+             elsif sources.find {|s| s.end_with?(*env["CXXSUFFIX"])}
                env["CXX"]
              else
                env["CC"]