[WIP] Fixed whitespace issue on argument escaping.

[siad007]

Related to #637

[mrook]

@siad007 can you take a look at the failing test(s)?

[mrook]

@siad007 now that #878 has been merged - do you want to clean up the rest or should we close this?

[siad007]

@mrook i will cleanup here asap :)

[codecov]

Codecov Report

Merging #735 into master will decrease coverage by <.01%.
The diff coverage is 73.8%.

@@             Coverage Diff             @@
##             master    #735      +/-   ##
===========================================
- Coverage     44.91%   44.9%   -0.01%     
- Complexity     9877    9920      +43     
===========================================
  Files           499     499              
  Lines         23938   24040     +102     
===========================================
+ Hits          10751   10796      +45     
- Misses        13187   13244      +57

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/tasks/system/AttribTask.php	0% <0%> (ø)	21 <1> (ø)	⬇️
classes/phing/tasks/system/ApplyTask.php	72.5% <68.78%> (-22.53%)	102 <72> (+33)
classes/phing/types/Commandline.php	69.4% <70.83%> (+2.98%)	65 <40> (+6)	⬆️
...asses/phing/tasks/system/condition/OsCondition.php	84.61% <85.71%> (-1.1%)	17 <0> (+4)
classes/phing/tasks/system/ExecTask.php	87.81% <96.15%> (-0.08%)	84 <39> (ø)
classes/phing/Task.php	88.23% <0%> (+3.92%)	22% <0%> (ø)	⬇️

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