Fix calling functions inside functions

src/main.cpp

@@ -1883,15 +1883,15 @@ Literal exec(vector<Instruction> in, bool executingFunction) {
                         // Create the variable
                         variables[arg.ref.varName] = fnArgs[m];  
                     }
+                    
+                    // Clear function arguments for next call
+                    fnArgs.clear();
 
                     // Call the function
                     Literal retVal = exec(functions[ref.fnName].instructions, true);
 
                     // Restore scope
                     variables = scopeBackup;
-                    
-                    // Clear function arguments for next call
-                    fnArgs.clear();
 
                     // Now, assign the return value in the current scope.
                     if (expectList) {