sem_ch3.adb, [...]: Minor reformatting

        * sem_ch3.adb, sem_ch6.adb: Minor reformatting

        * adaint.c (__gnat_is_readable_file): Check for file existence
        when not using ACL (always the case on remote drives).

From-SVN: r146406

gcc/ada/adaint.c

@@ -1956,7 +1956,7 @@ __gnat_is_readable_file (char *name)
       return __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
     }
   else
-    return 1;
+    return GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
 
 #else
   int ret;

gcc/ada/sem_ch6.adb

@@ -583,8 +583,8 @@ package body Sem_Ch6 is
                Error_Msg_N ("must use anonymous access type", Subtype_Ind);
             end if;
 
-         --  Subtype_indication case; check that the types are the same, and
-         --  statically match if appropriate. Handle also record types with
+         --  Subtype indication case: check that the types are the same, and
+         --  statically match if appropriate. Also handle record types with
          --  unknown discriminants for which we have built the underlying
          --  record view.