Added module needed for cut function.

my-packages/my-games.scm

@@ -1,9 +1,12 @@
 (define-module (my-packages my-games)
+  #:use-module (sfri sfri-26)
+  
   #:use-module (guix gexp)
   #:use-module (guix packages)
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
   #:use-module ((guix licenses) #:prefix license:)
+  
   #:use-module (gnu packages)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages audio)