fixed jumping

src/modes/Edit.cpp

@@ -101,8 +101,8 @@ namespace groove {
 					this->editor.offset = 0;
 					break;
 				case 'G':
-					this->editor.y = this->editor.buffer->size();
+					this->editor.y = this->editor.buffer->size() - 1;
-					this->editor.offset = this->editor.buffer->size() - LINES + 2;
+					this->editor.offset = this->editor.buffer->size() - LINES + 1;
 					break;
 			}
 		}