Remove silly warning in corosync-objdb

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2516 fd59a12c-fef9-0310-b244-a6a79926bd2f

tools/corosync-objctl.c

@@ -51,6 +51,8 @@
 #define SEPERATOR_STR "."
 #define OBJ_NAME_SIZE 512
 
+extern int isblank(int c);
+
 typedef enum {
 	ACTION_READ,
 	ACTION_WRITE,