target_run_apt: Correctly escape line wrapping

Otherwise the envvars are on the preceding line and therefore not set
in the apt-get process.

I broke this in 6fea4be08306 "apt: lock osstest's usages of apt-get
against each other", committed in January.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index 755a4ab4bb8b7075ead88c79b6dbc3007504496c..4696d68c6dc47ce660fc937b506776e18cbdcfa7 100644 (file)
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -434,7 +434,7 @@ sub target_putfile_root ($$$$;$) {
 sub target_run_apt {
     my ($ho, @aptopts) = @_;
     target_cmd_root($ho,
-        "DEBIAN_PRIORITY=critical UCF_FORCE_CONFFOLD=y \
+        "DEBIAN_PRIORITY=critical UCF_FORCE_CONFFOLD=y \\
             with-lock-ex -w /var/lock/osstest-apt apt-get @aptopts", 3000);
 }
 sub target_install_packages {