`git cl split`: Fix typos in cq_dry_run code

Bug: 878117
Change-Id: Ifb8af6bfcc6467ad9b79cf6292ebb8afc8f7e949
Reviewed-on: https://chromium-review.googlesource.com/1213588Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Ryan Tseng <hinoka@chromium.org>
Commit-Queue: Stephen Martinis <martiniss@chromium.org>

split_cl.py

@@ -19,6 +19,13 @@ import owners_finder
 import git_common as git
 
 
+# If a call to `git cl split` will generate more than this number of CLs, the
+# command will prompt the user to make sure they know what they're doing. Large
+# numbers of CLs generated by `git cl split` have caused infrastructure issues
+# in the past.
+CL_SPLIT_FORCE_LIMIT = 10
+
+
 def ReadFile(file_path):
   """Returns the content of |file_path|."""
   with open(file_path) as f:
@@ -204,7 +211,7 @@ def SplitCl(description_file, comment_file, changelist, cmd_upload, dry_run,
     num_cls = len(files_split_by_owners)
     print('Will split current branch (' + refactor_branch + ') into ' +
           str(num_cls) + ' CLs.\n')
-    if cq_dry_ru and num_cls > CL_SPLIT_FORCE_LIMIT:
+    if cq_dry_run and num_cls > CL_SPLIT_FORCE_LIMIT:
       print (
         'This will generate "%r" CLs. This many CLs can potentially generate'
         ' too much load on the build infrastructure. Please email'