when output of lvs has '<' in output, regular expression does not account for lead character

[Rthur]

Sample output of system where size_to_bytes fails:

$ sudo lvs LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert root rhel -wi-ao---- <21.50g swap rhel -wi-ao---- 2.50g

[codecov-commenter]

Codecov Report

Merging #264 (1439cd8) into master (cada6d4) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #264   +/-   ##
=======================================
  Coverage   72.96%   72.96%           
=======================================
  Files          17       17           
  Lines         773      773           
=======================================
  Hits          564      564           
  Misses        209      209           

Impacted Files	Coverage Δ
lib/facter/lvm_support.rb	70.58% <0.00%> (-5.89%)	:arrow_down:
lib/facter/logical_volumes.rb	100.00% <0.00%> (+11.11%)	:arrow_up:
lib/facter/physical_volumes.rb	100.00% <0.00%> (+11.11%)	:arrow_up:

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