Fixed Error Undefined variable in expression: s_player_tamedog

Error in expression <er_studybody = -1;

player removeAction
s_player_tamedog;
s_player_tamedog = -1;>
Error position: <s_player_tamedog;
s_player_tamedog = -1;>
Error Undefined variable in expression: s_player_tamedog
File z\addons\dayz_code\compile\fn_selfActions.sqf, line 886
Fixed Error in expression remove buildings

Error in expression <= getNumber(configFile >> "_objType" >> _classname
>> "constructioncount");
diag>
Error position: <_classname >> "constructioncount");
diag>
Error Undefined variable in expression: _classname
File z\addons\dayz_code\actions\remove.sqf, line 50
Merge pull request #1097 from Fank/patch-7

Fixed some Errors