Don't modify headers, and fix a potential null pointer
tree099f51f4231f89c33858ffa0f56bdea66c7fd166
drwxr-xr-x - binutils
drwxr-xr-x - cauchy
-rw-r--r-- 548 git.txt
drwxr-xr-x - neon
-rw-r--r-- 1167 status.txt
drwxr-xr-x - subversion
drwxr-xr-x - tools
drwxr-xr-x - tortoisesvn