small patch for file(1)

[Bryan Steele]

magic_load() is only called in main and fcloses magicfp immediately,
this removes a redundant fclose.

Index: magic-load.c
===================================================================
RCS file: /cvs/src/usr.bin/file/magic-load.c,v
retrieving revision 1.24
diff -u -p -u -r1.24 magic-load.c
--- magic-load.c        18 Apr 2017 14:16:48 -0000      1.24
+++ magic-load.c        1 Jul 2017 14:16:14 -0000
@@ -1169,6 +1169,5 @@ magic_load(FILE *f, const char *path, in
        }
        free(tmp);
 
-       fclose(f);
        return (m);
 }