Fix -Wimplicit warnings.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lread.c b/src/lread.c
index f3b9948e149..91b9bffdb6d 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -48,6 +48,10 @@ Boston, MA 02111-1307, USA.  */
 #include "msdos.h"
 #endif
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 #ifndef X_OK
 #define X_OK 01
 #endif
@@ -1989,7 +1993,7 @@ int
 isfloat_string (cp)
      register char *cp;
 {
-  register state;
+  register int state;
   
   state = 0;
   if (*cp == '+' || *cp == '-')