BugFix | #1604 | Duplicate extension key prefix

[AlexNDRmac]

Refs: #1604

[AlexNDRmac]

cc @dreamsxin Now you can see what I meant when told about fix in Library/Compiler.php
There is Test with Expected result, so we can use it as target point.
Travis failed buld: https://travis-ci.org/phalcon/zephir/jobs/495101242

[dreamsxin]

This config

    "globals": {
        "test.my_setting_1": {
            "type": "bool",
            "default": false
        },
    },

change to:

    "globals": {
        "my_setting_1": {
            "type": "bool",
            "default": false
        },
    },

will generate test.my_setting_1.

[codecov]

Codecov Report

Merging #1809 into development will increase coverage by 0.06%.
The diff coverage is 65.48%.

@@                Coverage Diff                @@
##             development    #1809      +/-   ##
=================================================
+ Coverage          43.22%   43.28%   +0.06%     
  Complexity          8144     8144              
=================================================
  Files                548      548              
  Lines              42532    42542      +10     
=================================================
+ Hits               18383    18416      +33     
+ Misses             24149    24126      -23

Impacted Files	Coverage Δ	Complexity Δ
ext/test/optimizers/strreplace.zep.c	17.12% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/fibonnaci.zep.c	66.92% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/factorial.zep.c	7.14% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/assign.zep.c	43.32% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/spectralnorm.zep.c	1.25% <0%> (ø)	0 <0> (ø)	⬇️
Library/Compiler.php	61.38% <0%> (ø)	298 <0> (ø)	⬇️
Library/Code/Builder/Struct.php	0% <0%> (ø)	36 <0> (ø)	⬇️
ext/test/resourcetest.zep.c	78.84% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/range.zep.c	10.34% <0%> (ø)	0 <0> (ø)	⬇️
ext/test/quantum.zep.c	1.79% <0%> (ø)	0 <0> (ø)	⬇️
... and 31 more

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[AlexNDRmac]

@dreamsxin you were right :) I did't do the tests correctly. Thank you for your participation.

[sergeyklay]

Thank you