Merge bitpay#13: Typo

ebbd772 Typo (mcccs)

util/env_win.cc

@@ -1,7 +1,7 @@
 // This file contains source that originates from:
 // http://code.google.com/p/leveldbwin/source/browse/trunk/win32_impl_src/env_win32.h
 // http://code.google.com/p/leveldbwin/source/browse/trunk/win32_impl_src/port_win32.cc
-// Those files dont' have any explict license headers but the 
+// Those files don't have any explicit license headers but the 
 // project (http://code.google.com/p/leveldbwin/) lists the 'New BSD License'
 // as the license.
 #if defined(LEVELDB_PLATFORM_WINDOWS)