Fix the regexp in DEFAULT_WHITE_LIST.

For example, r".*\.c" was triggering for foo.checksum.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/558026

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@37461 0039d316-1c4b-4281-b951-d872f2087c98

presubmit_support.py

@@ -150,15 +150,15 @@ class InputApi(object):
   # perspective. Don't modify this list from a presubmit script!
   DEFAULT_WHITE_LIST = (
       # C++ and friends
-      r".*\.c", r".*\.cc", r".*\.cpp", r".*\.h", r".*\.m", r".*\.mm",
-      r".*\.inl", r".*\.asm", r".*\.hxx", r".*\.hpp",
+      r".*\.c$", r".*\.cc$", r".*\.cpp$", r".*\.h$", r".*\.m$", r".*\.mm$",
+      r".*\.inl$", r".*\.asm$", r".*\.hxx$", r".*\.hpp$",
       # Scripts
-      r".*\.js", r".*\.py", r".*\.sh", r".*\.rb", r".*\.pl", r".*\.pm",
+      r".*\.js$", r".*\.py$", r".*\.sh$", r".*\.rb$", r".*\.pl$", r".*\.pm$",
       # No extension at all, note that ALL CAPS files are black listed in
       # DEFAULT_BLACK_LIST below.
-      r"(^|.*[\\\/])[^.]+$",
+      r"(^|.*?[\\\/])[^.]+$",
       # Other
-      r".*\.java", r".*\.mk", r".*\.am",
+      r".*\.java$", r".*\.mk$", r".*\.am$",
   )
 
   # Path regexp that should be excluded from being considered containing source