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-rw-r--r--src/utils/indxbib/signal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/utils/indxbib/signal.c b/src/utils/indxbib/signal.c
index a8ab257f..f5a12092 100644
--- a/src/utils/indxbib/signal.c
+++ b/src/utils/indxbib/signal.c
@@ -20,6 +20,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Unfortunately vendors seem to have problems writing a <signal.h>
that is correct for C++, so we implement all signal handling in C. */
+#include <stdlib.h>
+
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif