eliminate mac xcode 5 only warning

on os x 10.9.2 unistd.h defines sysconf as

long	 sysconf(int);

R=mtklein@google.com, reed@google.com

Author: caryclark@google.com

Review URL: https://codereview.chromium.org/261673004

git-svn-id: http://skia.googlecode.com/svn/trunk@14559 2bbb7eff-a529-9590-31e7-b0007b416f81
fix size_t/int warnings

TBR=caryclark@google.com

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/265163003

git-svn-id: http://skia.googlecode.com/svn/trunk@14560 2bbb7eff-a529-9590-31e7-b0007b416f81
fix the error that path is inversed for stroke and strokeAndFill styles.

However, because hairline stroke + fill = fill (see src/core/SkStrokeRec.cpp), strokeAndFill will be thought as fill style when paint.getStrokeWidth() <= 0, this edge case can be inverse-filled.

BUG=skia:2222
R=bsalomon@google.com, reed@google.com

Author: yunchao.he@intel.com

Review URL: https://codereview.chromium.org/183683010

git-svn-id: http://skia.googlecode.com/svn/trunk@14561 2bbb7eff-a529-9590-31e7-b0007b416f81
Revert of fix the error that path is inversed for stroke and strokeAndFill styles (https://codereview.chromium.org/183683010/)

R=bsalomon@google.com, reed@google.com, yunchao.he@intel.com
TBR=reed@google.com
NOTRY=True

Reason for revert:
broke unittests

Original issue's description:
> fix the error that path is inversed for stroke and strokeAndFill styles.
>
> However, because hairline stroke + fill = fill (see src/core/SkStrokeRec.cpp), strokeAndFill will be thought as fill style when paint.getStrokeWidth() <= 0, this edge case can be inverse-filled.
>
> BUG=skia:2222
>
> Committed: http://code.google.com/p/skia/source/detail?r=14561

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/269903002

git-svn-id: http://skia.googlecode.com/svn/trunk@14562 2bbb7eff-a529-9590-31e7-b0007b416f81