settings: bind backspace actions also to Ctrl-H

src/help.cpp

@@ -133,7 +133,7 @@ std::string Help::DisplayKeys(const ActionType at)
 			result += " ";
 		}
 	}
-	result.resize(12, ' ');
+	result.resize(16, ' ');
 	return result;
 }
 

src/settings.cpp

@@ -172,6 +172,8 @@ void NcmpcppKeys::GenerateKeybindings()
 	BIND('P',		aPause);
 	BIND('>',		aNextSong);
 	BIND('<',		aPreviousSong);
+	BIND(KEY_CTRL_H,	aJumpToParentDir);
+	BIND(KEY_CTRL_H,	aReplaySong);
 	BIND(KEY_BACKSPACE,	aJumpToParentDir);
 	BIND(KEY_BACKSPACE,	aReplaySong);
 	BIND(KEY_BACKSPACE_2,	aJumpToParentDir);