events/keyevents: zero cur_bb/cur_kb on each iteration

previously, a button/key definition with an invalid action name would assign
the specified key to the most recent valid action. E.g. "zoom_in 4\ninvalid 5"
wuold assign button 5 to zoom_in.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/events.c b/src/events.c
index c5032a1..23a14ba 100644
--- a/src/events.c
+++ b/src/events.c
@@ -128,6 +128,7 @@ void init_buttonbindings(void)
 	while (fgets(line, sizeof(line), conf)) {
 		*action = '\0';
 		*button = '\0';
+		cur_bb = NULL;
 
 		read = sscanf(line, "%31s %7s\n", (char *) &action, (char *) &button);