Fix bug in plugin caused by not popping the closure from the stack after calling it.

This would've caused the plugin to run out of stack memory eventually.

source/Routine.hpp

@@ -146,6 +146,8 @@ private:
                 }
                 // Make the function call and store the result
                 const SQRESULT res = sq_call(vm, mArgc + 1, false, !mQuiet);
+                // Pop the callback object from the stack
+                sq_pop(vm, 1);
                 // Validate the result
                 if (SQ_FAILED(res))
                 {

source/Tasks.cpp

@@ -86,6 +86,8 @@ Tasks::Interval Tasks::Task::Execute()
     }
     // Make the function call and store the result
     const SQRESULT res = sq_call(vm, mArgc + 1, false, ErrorHandling::IsEnabled());
+    // Pop the callback object from the stack
+    sq_pop(vm, 1);
     // Validate the result
     if (SQ_FAILED(res))
     {