get_alt_attrib_codes was added as a fresh dependency. This module missed it....

get_alt_attrib_codes was added as a fresh dependency. This module missed it. We return nothing for this a we don't have alt_attrib codes for variations

modules/Bio/EnsEMBL/Pipeline/Production/SnpCount.pm

@@ -59,6 +59,12 @@ sub get_attrib_codes {
   return %attrib_codes;
 }
 
+# Blank as I don't think there are any alt attrib codes for this ATMO
+sub get_alt_attrib_codes {
+  my ($self) = @_;
+  return;
+}
+
 
 1;