Bug#1003694: gosa: PHP deprecation warnings

[Mike Gabriel]

Package: src:gosa
Severity: important
Version: 2.7.4+reloaded3-16

There are some PHP deprecations warnings appearing on screen when  
using GOsa on Debian bullseye against PHP 7.4. Probably much worse  
with upcoming PHP 8.x:

```

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 156

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1013

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1035

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1039

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1045

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1047

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1062

Deprecated: Array and string offset access syntax with curly braces is  
deprecated in  
/usr/share/gosa/include/utils/excel/class.writeexcel_formula.inc.php  
on line 1194

Warning: "continue" targeting switch is equivalent to "break". Did you  
mean to use "continue 2"? in  
/usr/share/gosa/plugins/admin/systems/services/shares/class_servNfs.inc on  
line 130

Warning: "continue" targeting switch is equivalent to "break". Did you  
mean to use "continue 2"? in  
/usr/share/gosa/plugins/admin/systems/services/shares/class_goShareServer.inc  
on line 383

```

I will collect more of these an propose a fix for them...

Mike
-- 

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