Change noinline to dontinline (#312)

We defined `noinline` as an abbreviation for the longer version
`__attribute__((__noinline__))` which caused name clashes since
third party codebases often write it as `__attribute__((noinline))`.

libc/dns/gethoststxt.c

@@ -36,7 +36,7 @@ static struct HostsTxtInitialStaticMemory {
   char strings[64];
 } g_hoststxt_init;
 
-static textwindows noinline char *GetNtHostsTxtPath(char *pathbuf,
+static textwindows dontinline char *GetNtHostsTxtPath(char *pathbuf,
                                                     uint32_t size) {
   const char *const kWinHostsPath = "\\drivers\\etc\\hosts";
   uint32_t len = GetSystemDirectoryA(&pathbuf[0], size);