add missing call to `va_end()` for copied `va_list`

The man page stdarg(3) states that each invocation of `va_copy()` must
be matched by a corresponding invocation of `va_end()` in the same
function.

Signed-off-by: Max <max@mxzero.net>
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/strings.c b/src/strings.c
index 45c9310..ed90bc7 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -85,6 +85,7 @@ int string_vcatf(struct string *sb, const char *format, va_list ap)
 			      ap2);
 	}
 	sb->len += n;
+	va_end(ap2);
 
 	return n;
 }