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/keyevents.c b/src/keyevents.c
index ba15a5d..8977111 100644
--- a/src/keyevents.c
+++ b/src/keyevents.c
@@ -178,6 +178,7 @@ void init_keyevents(void) {
 		*k1 = '\0';
 		*k2 = '\0';
 		*k3 = '\0';
+		cur_kb = NULL;
 
 		read = sscanf(line, "%31s %31s %31s %31s\n",
 			(char *) &action, (char *) &k1, (char* ) &k2, (char *) &k3);