Use SKIA_OUT variable in make.py

R=djsollen@google.com

Review URL: https://codereview.chromium.org/19743005

git-svn-id: http://skia.googlecode.com/svn/trunk@10272 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/make.py b/make.py
index faee183..28f3554 100644
--- a/make.py
+++ b/make.py
@@ -26,7 +26,7 @@
 TARGET_GYP     = 'gyp'

 

 SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))

-OUT_SUBDIR = 'out'

+OUT_SUBDIR = os.environ.get('SKIA_OUT', 'out')

 GYP_SUBDIR = 'gyp'