Add various Octave specific ending keywords

end_try_catch, endfor, endfunction, endif, endwhile

Syntaxes/Octave.tmLanguage

@@ -498,7 +498,7 @@
 			<key>comment</key>
 			<string>Control keywords</string>
 			<key>match</key>
-			<string>(?&lt;!\.)\b(all_va_args|break|case|catch|continue|else|end|for|elseif|end_unwind_protect|global|gplot|gsplot|if|otherwise|persistent|replot|return|static|start|startat|stop|switch|try|until|unwind_protect|unwind_protect_cleanup|varargin|varargout|wait|while)\b</string>
+			<string>(?&lt;!\.)\b(all_va_args|break|case|catch|continue|else|end|for|elseif|end_try_catch|end_unwind_protect|endfor|endfunction|endif|endwhile|global|gplot|gsplot|if|otherwise|persistent|replot|return|static|start|startat|stop|switch|try|until|unwind_protect|unwind_protect_cleanup|varargin|varargout|wait|while)\b</string>
 			<key>name</key>
 			<string>keyword.control.octave</string>
 		</dict>