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Avoid uninitialized value in concatenation at line 347.

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1 parent 142a6cc commit 6019836eefd50943e379e6713ab8447642ce11b4 @beanz beanz committed Dec 6, 2012
Showing with 1 addition and 1 deletion.
  1. +1 −1 lib/Slic3r/GCode.pm
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2 lib/Slic3r/GCode.pm
@@ -514,7 +514,7 @@ sub _limit_frequency {
my $self = shift;
my ($point) = @_;
- return if $Slic3r::Config->vibration_limit == 0;
+ return '' if $Slic3r::Config->vibration_limit == 0;
my $min_time = 1 / ($Slic3r::Config->vibration_limit * 60); # in minutes
# calculate the move vector and move direction

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