remove unnecessary typecasting of malloc()

struct HandleData is now called struct SingleRequest, and is only for data that
is inited at the start of the DO action. I removed the Curl_transfer_keeper
struct completely, and I had to mov

struct HandleData is now called struct SingleRequest, and is only for data that
is inited at the start of the DO action. I removed the Curl_transfer_keeper
struct completely, and I had to move out a few struct members (that had to
be set before DO or used after DONE) to the UrlState struct. The SingleRequest
struct is accessed with SessionHandle->req.

One of the biggest reasons for doing this was the bunch of duplicate struct
members in HandleData and Curl_transfer_keeper since it was really messy to
keep track of two variables with the same name and basically the same purpose!

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removed space after if and while before the parenthesis for better source code
consistency

Song Ma noted a zlib memory leak in the illegal compressed header
countermeasures code path.

Fix compiler warnings

"case label value exceeds maximum value for type" and
"comparison is always false due to limited range of data type"

Both triggered when using a bool varia

Fix compiler warnings

"case label value exceeds maximum value for type" and
"comparison is always false due to limited range of data type"

Both triggered when using a bool variable as the switch variable
in a switch statement and using enums for the case targets.

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Based on a patch by Armel Asselin, the FTP code no longer re-issues the TYPE
command on subsequent requests on a re-used connection unless it has to.

Paul Querna fixed libcurl to better deal with deflate content encoding when
the stream (wrongly) lacks a proper zlib header. This seems to be the case on
too many actual server implementation

Paul Querna fixed libcurl to better deal with deflate content encoding when
the stream (wrongly) lacks a proper zlib header. This seems to be the case on
too many actual server implementations.

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Updated the copyright year since changes have been this year.

Fix for a bug report that compressed files that are exactly 64 KiB long
produce a zlib error.

Dan Fandrich's fix for libz 1.1 and "extra field" usage in a gzip stream

Dan Fandrich's gzip handling fix

typecast the conversion to uInt when assigning z->avail_in to prevent
warnings from picky compilers

Edited comments only.

curl_global_init_mem() allows the memory functions to be replaced.
memory.h is included everywhere for this.

ignore the curl/types.h header file

another case which should use CURLcode and not int

use CURLcode, not int, prevents picky compilers to warn

Dan Fandrich's cleanup patch to make pedantic compiler options cause less
warnings. Minor edits by me.

Gisle Vanem's patch for variables that "might be used uninitialized"

updated year in the copyright string

Dan Fandrich's zlib fix

Dan Fandrich's gzip bugfix

Nic fixed so that Curl_client_write() must not be called with 0 lenth data.

I edited somewhat and removed trailing whitespaces.

Dan Fandrich's gzip patch applied

removed the local variables for emacs and vim, use the new sample.emacs
way for emacs, and vim users should provide a similar non-polluting style