tests: add a missing codesign in SILOptimizer/static_inline_arrays.swift

rdar://144826336

Author: eeckstein

test/SILOptimizer/static_inline_arrays.swift

@@ -3,6 +3,7 @@
 // Also do an end-to-end test to check all components, including IRGen.
 // RUN: %empty-directory(%t) 
 // RUN: %target-build-swift -parse-as-library -O -Xfrontend -disable-availability-checking -enable-experimental-feature ValueGenerics -module-name=test %s -o %t/a.out
+// RUN: %target-codesign %t/a.out
 // RUN: %target-run %t/a.out | %FileCheck %s -check-prefix=CHECK-OUTPUT
 
 // REQUIRES: executable_test,optimized_stdlib