Detect "Vagrantfile" as Ruby file.

Closes #1981

PowerEditor/src/ScitillaComponent/Buffer.cpp

@@ -213,7 +213,7 @@ void Buffer::setFileName(const TCHAR *fn, LangType defaultLang)
 			newLang = L_CMAKE;
 		else if ((!generic_stricmp(_fileName, TEXT("SConstruct"))) || (!generic_stricmp(_fileName, TEXT("SConscript"))) || (!generic_stricmp(_fileName, TEXT("wscript"))))
 			newLang = L_PYTHON;
-		else if (!generic_stricmp(_fileName, TEXT("Rakefile")))
+		else if ((!generic_stricmp(_fileName, TEXT("Rakefile"))) || (!generic_stricmp(_fileName, TEXT("Vagrantfile"))))
 			newLang = L_RUBY;
 	}
 
@@ -1584,4 +1584,4 @@ int FileManager::docLength(Buffer* buffer) const
 	int docLen = _pscratchTilla->getCurrentDocLen();
 	_pscratchTilla->execute(SCI_SETDOCPOINTER, 0, _scratchDocDefault);
 	return docLen;
-}
+}