After removing collation for [a-z] ranges in r302512, do it here too.

I'll try to keep the change very minimal to not touch contribed code much.
I'll send it upstream when it will be merged to main branches,
but we need the change right now here.

contrib/one-true-awk/b.c

@@ -296,7 +296,11 @@ static int collate_range_cmp(int a, int b)
 		return 0;
 	s[0][0] = a;
 	s[1][0] = b;
+#ifdef __FreeBSD__
+	return (strcmp(s[0], s[1]));
+#else
 	return (strcoll(s[0], s[1]));
+#endif
 }
 
 char *cclenter(const char *argp)	/* add a character class */