Minor optimization of unloading prevention patch.

References to unique symbols from copy relocations can only come
from executables which cannot be unloaded anyway.  Optimize the
code to set the unload flag a bit.

elf/dl-lookup.c

@@ -331,12 +331,12 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash,
 			  {
 			    table[idx].sym = sym;
 			    table[idx].map = map;
-			  }
 
-			if (table[idx].map->l_type == lt_loaded)
-			  /* Make sure we don't unload this object by
-			     setting the appropriate flag.  */
-			  table[idx].map->l_flags_1 |= DF_1_NODELETE;
+			    if (map->l_type == lt_loaded)
+			      /* Make sure we don't unload this object by
+				 setting the appropriate flag.  */
+			      map->l_flags_1 |= DF_1_NODELETE;
+			  }
 
 			return;
 		      }