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-rw-r--r--gdb/serial.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gdb/serial.c b/gdb/serial.c
index 6902648..18c6cde 100644
--- a/gdb/serial.c
+++ b/gdb/serial.c
@@ -18,6 +18,7 @@ along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include <ctype.h>
#include "serial.h"
#include "gdb_string.h"
#include "gdbcmd.h"