Added return values to the scripts.
 Fixed build_benchmarks to return the correct values back to perflab.

PRESUBMIT=passed
R=raymes,bjanakiraman
CC=c-compiler-reviews
DELTA=60  (24 added, 2 deleted, 34 changed)
OCL=50177-p2
RCL=50246-p2
RDATE=2011/03/21 11:35:53


P4 change: 42619261
diff --git a/v14/build_chrome_browser.py b/v14/build_chrome_browser.py
index df6a4a1..bf44535 100755
--- a/v14/build_chrome_browser.py
+++ b/v14/build_chrome_browser.py
@@ -123,4 +123,5 @@
   return ret
 
 if __name__ == "__main__":
-  Main(sys.argv)
+  retval = Main(sys.argv)
+  sys.exit(retval)