Add fixups for previous change

test/libc/runtime/ape_test.c

@@ -33,8 +33,8 @@ STATIC_YOINK("apetest2.com");
 char testlib_enable_tmp_setup_teardown_once;
 
 __attribute__((__constructor__)) static void init(void) {
-  // TODO(jart): What's up with RHEL5 / RHEL7?
-  // pledge("stdio rpath wpath cpath tty proc exec", 0);
+  pledge("stdio rpath wpath cpath tty proc exec", 0);
+  errno = 0;
 }
 
 void Extract(const char *from, const char *to, int mode) {

test/libc/runtime/arch_prctl_test.c

@@ -23,6 +23,7 @@
 
 __attribute__((__constructor__)) static void init(void) {
   pledge("stdio rpath", 0);
+  errno = 0;
 }
 
 TEST(arch_prctl, fs) {

test/libc/runtime/clone_test.c

@@ -44,6 +44,7 @@ _Atomic(int) thechilde;
 
 __attribute__((__constructor__)) static void init(void) {
   pledge("stdio rpath thread", 0);
+  errno = 0;
 }
 
 void SetUp(void) {

test/libc/runtime/fork_test.c

@@ -31,6 +31,7 @@
 
 __attribute__((__constructor__)) static void init(void) {
   pledge("stdio rpath proc", 0);
+  errno = 0;
 }
 
 TEST(fork, testPipes) {

test/libc/runtime/memtrack_test.c

@@ -33,6 +33,7 @@
 
 __attribute__((__constructor__)) static void init(void) {
   pledge("stdio rpath", 0);
+  errno = 0;
 }
 
 static bool AreMemoryIntervalsEqual(const struct MemoryIntervals *mm1,

test/libc/runtime/mmap_test.c

@@ -50,6 +50,7 @@ char testlib_enable_tmp_setup_teardown;
 
 __attribute__((__constructor__)) static void init(void) {
   pledge("stdio rpath wpath cpath proc", 0);
+  errno = 0;
 }
 
 TEST(mmap, zeroSize) {