inclusion by the curl tool without colliding with the curl_strequal functions.

used in strequal.c so now all test cases run fine for me again.

  (http://curl.haxx.se/bug/view.cgi?id=2154627) which pointed out that libcurl
  uses strcasecmp() in multiple places where it causes failures when the
  Turkish locale is used. This is because 'i' and 'I' isn't the same letter so
  strcasecmp() on those letters are different in Turkish than in English (or
  just about all other languages). I thus introduced a totally new internal
  function in libcurl (called Curl_ascii_equal) for doing case insentive
  comparisons for english-(ascii?) style strings that thus will make "file"
  and "FILE" match even if the Turkish locale is selected.

while () => while()
and some other minor re-indentings

since they're already included through "setup.h".

.netrc, and when following a Location: the subsequent requests didn't properly
use the auth as found in the netrc file. Added test case 257 to verify my fix.

memory.h is included everywhere for this.

default netrc file. We now read and uses HOME _before_ we use getpwuid() to
better allow users to move around HOME to use different .netrc files without
having to rely on even blacker magic.

warnings. Minor edits by me.

way for emacs, and vim users should provide a similar non-polluting style