Add dlang demangling support to c++filt.

binutils/ChangeLog:
	* cxxfilt.c (main): Add case for dlang_demangling style.

binutils/ChangeLog

@@ -1,3 +1,7 @@
+2014-10-31  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* cxxfilt.c (main): Add case for dlang_demangling style.
+
 2014-10-31  Nick Clifton  <nickc@redhat.com>
 
 	PR binutils/17512

binutils/cxxfilt.c

@@ -239,6 +239,7 @@ main (int argc, char **argv)
     case edg_demangling:
     case gnat_demangling:
     case gnu_v3_demangling:
+    case dlang_demangling:
     case auto_demangling:
       valid_symbols = standard_symbol_characters ();
       break;