Add more information about memory usage to debug log

sql/sql_test.cc:
  Add more information about memory usage

sql/sql_test.cc

@@ -194,6 +194,8 @@ void mysql_print_status(THD *thd)
   printf("\nStatus information:\n\n");
   my_getwd(current_dir, sizeof(current_dir),MYF(0));
   printf("Current dir: %s\n", current_dir);
+  printf("Running threads: %d  Stack size: %ld\n", thread_count,
+	 (long) thread_stack);
   if (thd)
     thd->proc_info="locks";
   thr_print_locks();				// Write some debug info
@@ -271,8 +273,9 @@ Maximum total allocated space:		 %d\n\
 Space available in freed fastbin blocks: %d\n\
 Total allocated space:			 %d\n\
 Total free space:			 %d\n\
-Top-most, releasable space:		 %d\n",
-	 (int) info.arena,
+Top-most, releasable space:		 %d\n\
+Estimated memory (with thread stack):    %ld\n",
+	 (int) info.arena	,
 	 (int) info.ordblks,
 	 (int) info.smblks,
 	 (int) info.hblks,
@@ -281,7 +284,8 @@ Top-most, releasable space:		 %d\n",
 	 (int) info.fsmblks,
 	 (int) info.uordblks,
 	 (int) info.fordblks,
-	 (int) info.keepcost);
+	 (int) info.keepcost,
+	 (long) (thread_count * thread_stack + info.hblkhd + info.arena));
 #endif
   puts("");
   if (thd)