r41078 broke revinfo for .gclient files with multiple solutions

This commit fixes that, though the --snapshot option doesn't work perfectly.

Review URL: http://codereview.chromium.org/900001

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@41351 0039d316-1c4b-4281-b951-d872f2087c98

gclient.py

@@ -847,11 +847,11 @@ class GClient(object):
     new_gclient = ""
     # Dictionary of { path : SCM url } to ensure no duplicate solutions
     solution_names = {}
+    entries = {}
+    entries_deps_content = {}
     # Run on the base solutions first.
     for solution in solutions:
       # Dictionary of { path : SCM url } to describe the gclient checkout
-      entries = {}
-      entries_deps_content = {}
       name = solution["name"]
       if name in solution_names:
         raise gclient_utils.Error("solution %s specified more than once" % name)