tool_help: include <strings.h> for strcasecmp

Reported-by: Wyatt O'Day
Fixes #3715
Closes #3716

diff --git a/src/tool_help.c b/src/tool_help.c
index 8a3c2582039009659f56d995a267fec20f521db8..1ba9975c6b17f9d19b934e97d9bfe2ec7f211da6 100644 (file)
--- a/src/tool_help.c
+++ b/src/tool_help.c
@@ -20,6 +20,9 @@
  *
  ***************************************************************************/
 #include "tool_setup.h"
+#ifdef HAVE_STRCASECMP
+#include <strings.h>
+#endif
 
 #include "tool_panykey.h"
 #include "tool_help.h"