fix: Byte-compile warnings

Author: jcs090218

lsp-treemacs-generic.el

@@ -24,6 +24,8 @@
 
 ;;; Code:
 
+(require 'lsp-mode)
+
 (require 'treemacs)
 (require 'treemacs-treelib)
 (require 'lsp-treemacs-themes)

lsp-treemacs.el

@@ -26,6 +26,7 @@
 ;; `lsp-mode' and `treemacs' integration.
 
 ;;; Code:
+
 (require 'treemacs)
 (require 'treemacs-icons)
 (require 'treemacs-treelib)