Break out of loop correctly when the first file difference is found.
tree9499d1fb231793e68888233bf436b5756827ce27
-rw-r--r-- 176 .gitignore
-rw-r--r-- 2319 BUGS
-rw-r--r-- 13114 CHANGES
-rw-r--r-- 1034 COMMITTERS
-rw-r--r-- 2725 COPYING
-rw-r--r-- 817 HACKING
-rw-r--r-- 479 MANIFEST.in
-rw-r--r-- 1290 Makefile
-rw-r--r-- 83 README
drwxr-xr-x - contrib
-rwxr-xr-x 2466 cvs2bzr
-rw-r--r-- 25819 cvs2bzr-example.options
-rwxr-xr-x 2466 cvs2git
-rw-r--r-- 27187 cvs2git-example.options
-rwxr-xr-x 3084 cvs2hg
-rw-r--r-- 25775 cvs2hg-example.options
-rwxr-xr-x 2466 cvs2svn
-rw-r--r-- 31464 cvs2svn-example.options
drwxr-xr-x - cvs2svn_lib
drwxr-xr-x - cvs2svn_rcsparse
-rwxr-xr-x 816 dist.sh
drwxr-xr-x - doc
-rwxr-xr-x 128264 run-tests.py
-rwxr-xr-x 3098 setup.py
drwxr-xr-x - svntest
drwxr-xr-x - test-data
drwxr-xr-x - www