TestSupport: fix warning about cacheing_git when !no-reinstall

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index 8e46aa0772afc20addd871d6bd20496e793e4be0..e5343c85cfe51d047db1c88f56a8968ba39a7c8f 100644 (file)
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -497,7 +497,7 @@ sub target_editfile_root ($$$;$$) {
 
 sub target_cmd_build ($$$$) {
     my ($ho,$timeout,$builddir,$script) = @_;
-    my $cacheing_git;
+    my $cacheing_git = "";
     $cacheing_git = ":\$HOME/bin" if $ho->{Flags}{'no-reinstall'};
     target_cmd($ho, <<END.$script, $timeout);
        set -xe