Change server_command to bool

I noticed that "server_command" is an int, but really it should be a
bool.

gdb/ChangeLog
2020-05-09  Tom Tromey  <tom@tromey.com>

	* top.c (server_command): Now bool.
	* top.h (server_command): Now bool.

1 files changed, 1 insertions, 1 deletions

diff --git a/gdb/top.c b/gdb/top.c
index 9fb9d5c..3589d6b 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -174,7 +174,7 @@ static const char *previous_repeat_arguments;
    whatever) can issue its own commands and also send along commands
    from the user, and have the user not notice that the user interface
    is issuing commands too.  */
-int server_command;
+bool server_command;
 
 /* Timeout limit for response from target.  */