Polish recent changes and make improvements

- Simulate SIGPIPE on Windows NT
- Fix commandv() regression on Windows NT
- Fix sigprocmask() strace bug on OpenBSD
- Add many more system calls to --strace logging
- Make errno state more pristine in redbean strace

libc/log/addr2linepath.c

@@ -18,20 +18,6 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/log/log.h"
 
-static const char *__addr2line;
-
-static textstartup void __addr2line_init() {
-  static bool once;
-  if (!once) {
-    __addr2line = commandvenv("ADDR2LINE", "addr2line");
-    once = true;
-  }
-}
-
 const char *GetAddr2linePath(void) {
-  return __addr2line;
+  return commandvenv("ADDR2LINE", "addr2line");
 }
-
-const void *const __addr2line_ctor[] initarray = {
-    __addr2line_init,
-};