Added reviewers suggestions from https://github.com/fiolj/stdlib

Author: fiolj

src/tests/optval/test_optval.f90

@@ -13,7 +13,7 @@ program test_optval
 
   call test_optval_csp
   call test_optval_cdp
-
+  call test_optval_csp
   call test_optval_int8
   call test_optval_int16
   call test_optval_int32