Delete bogus freeing of uninitialized data

MFC after: 3 days
Reported by: cppcheck
Sponsored by: EMC / Isilon Storage Division

lib/libc/tests/stdio/getdelim_test.c

@@ -207,7 +207,6 @@ ATF_TC_BODY(empty_NULL_buffer, tc)
 
 	/* Make sure NULL *linep and zero *linecapp are handled. */
 	fp = mkfilebuf();
-	free(line);
 	line = NULL;
 	linecap = 42;
 	ATF_REQUIRE(getline(&line, &linecap, fp) == sizeof(apothegm) - 1);