diff --git a/.cvsignore b/.cvsignore
index adf39c31..26655914 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,3 +1,4 @@
+noCVS
 a.out
 typescript
 pmap
diff --git a/proc/slab.c b/proc/slab.c
index 7c2ab0e2..29e6b589 100644
--- a/proc/slab.c
+++ b/proc/slab.c
@@ -13,6 +13,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <limits.h>
+#include <ctype.h>
 
 #include "slab.h"
 #include "procps.h"