lib/oe,oeqa/selftest: Fix DeprecationWarning: invalid escape sequence

Fix another load of regex escape sequence warnings for newer
python versions.

(From OE-Core rev: bd2c125bb9c362b6122e99dfdf4e1cfe12c26a90)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/lib/oeqa/selftest/cases/devtool.py b/meta/lib/oeqa/selftest/cases/devtool.py
index 9eb9badf84..58f3e58461 100644
--- a/meta/lib/oeqa/selftest/cases/devtool.py
+++ b/meta/lib/oeqa/selftest/cases/devtool.py
@@ -1291,7 +1291,7 @@ class DevtoolExtractTests(DevtoolBase):
             installdir = bb_vars['D']
             fakerootenv = bb_vars['FAKEROOTENV']
             fakerootcmd = bb_vars['FAKEROOTCMD']
-            result = runCmd('%s %s find . -type f -exec ls -l {} \;' % (fakerootenv, fakerootcmd), cwd=installdir)
+            result = runCmd('%s %s find . -type f -exec ls -l {} \\;' % (fakerootenv, fakerootcmd), cwd=installdir)
             filelist1 = self._process_ls_output(result.output)
 
             # Now look on the target