fix cl_git_mkfile() to test for -1 rather than 0 for errors from p_creat()
describe: check error codes
Merge pull request #2736 from ethomson/describe_errorcode

describe: check error codes
Merge pull request #2734 from jeffhostetler/jeffhostetler/git_mkfile

fix cl_git_mkfile() to test for -1 rather than 0 for errors from p_creat...