Fix typos.

From-SVN: r118494

gcc/testsuite/gnat.dg/biased_uc.adb

--- { do-do run }
--- { do-options "-gnatws" }
+-- { dg-do run }
+-- { dg-options "-gnatws" }
 
 with Unchecked_Conversion;
 procedure biased_uc is

gcc/testsuite/gnat.dg/env_compile_capacity.adb

--- { do-do compile }
+-- { dg-do compile }
 
 with My_Env_Versioned_Value_Set_G;
 package body Env_Compile_Capacity is

gcc/testsuite/gnat.dg/in_mod_conv.adb

--- { do-do compile }
+-- { dg-do compile }
 
 procedure in_mod_conv is
    package Test is 

gcc/testsuite/gnat.dg/inline_scope.adb

--- { do-do compile }
--- { do-options "-gnatN" }
+-- { dg-do compile }
+-- { dg-options "-gnatN" }
 
 with inline_scope_p;
 procedure inline_scope (X : Integer) is

gcc/testsuite/gnat.dg/layered_instance.adb

--- { do-do compile }
+-- { dg-do compile }
 
 with Layered_Abstraction_P;
 with layered_abstraction;

gcc/testsuite/gnat.dg/test_prio.adb

--- { do-do run }
+-- { dg-do run }
 -- { dg-options "-gnatws" }
+
 pragma Locking_Policy (Ceiling_Locking);
 with test_prio_p;use test_prio_p;
 with text_io; use text_io;