gdb/

gdb/
	Code cleanup.
	* remote.c (cleanup_sigint_signal_handler): Rename the declaration
	to ...
	(async_cleanup_sigint_signal_handler): ... this.
	(initialize_sigint_signal_handler): Remove declaration.
	(handle_remote_sigint): Rename the declaration to ...
	(async_handle_remote_sigint): ... this.
	(handle_remote_sigint_twice): Rename the declaration to ...
	(async_handle_remote_sigint_twice): ... this.
	(async_remote_interrupt, async_remote_interrupt_twice)
	(remote_interrupt): Remove the declarations.
	(remote_interrupt_twice): Rename the declaration ...
	(sync_remote_interrupt_twice): ... this.
	(sigint_remote_twice_token): Rename the variable to ...
	(async_sigint_remote_twice_token): ... this.
	(sigint_remote_token): Rename the variable to ...
	(async_sigint_remote_token): ... this.
	(initialize_sigint_signal_handler): Rename the function to ...
	(async_initialize_sigint_signal_handler): ... this.  Update the name
	inside.
	(handle_remote_sigint): Rename the function to ...
	(async_handle_remote_sigint): ... this.  Update the names inside.
	(handle_remote_sigint_twice): Rename the function to ...
	(async_handle_remote_sigint_twice): ... this.  Update the names inside.
	(cleanup_sigint_signal_handler): Rename the function to ...
	(async_cleanup_sigint_signal_handler): ... this.
	(remote_interrupt): Rename the function to ...
	(sync_remote_interrupt): this.  Update the names inside.
	(remote_interrupt_twice): Rename the function to ...
	(sync_remote_interrupt_twice): this.  Update the names inside.
	(remote_terminal_inferior, remote_terminal_ours, remote_wait_as)
	(_initialize_remote): Update the names inside.