Fix possible undefined value in check-symsorting.pl

It is possible for $line to be undefined at first used, if
the symfile doesn't have a section prefix (which is the case
for auto-generated symfiles).

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

diff --git a/src/check-symsorting.pl b/src/check-symsorting.pl
index c523c34b21a58583b6c0b81f41b4a450ed7c3a72..f360dfb69f6e514e7f35dd6bf1dc81490543e3c9 100755 (executable)
--- a/src/check-symsorting.pl
+++ b/src/check-symsorting.pl
@@ -11,7 +11,7 @@ my $lastgroup = undef;
 foreach my $symfile (@ARGV) {
     open SYMFILE, $symfile or die "cannot read $symfile: $!";
 
-    my $line;
+    my $line = 0;
     my $groupfile = "";
     my @group;