Make nwatch independent of SICS

nwatch.h

@@ -1,5 +1,5 @@
 /*
- * N E T   W A T C H E R
+ * N E T   W A T C H
  *
  * This module watches network connections for sockets becoming readable or
  * writeable and invokes callbacks. It also provides a timer mechanism.
@@ -7,8 +7,8 @@
  * Douglas Clowes, February 2007
  *
  */
-#ifndef SICSNETWATCHER
-#define SICSNETWATCHER
+#ifndef NETWATCH_H
+#define NETWATCH_H
 
 #define nwatch_read 1
 #define nwatch_write 2
@@ -107,4 +107,4 @@ int NetWatchGetMode(pNWContext handle);
  */
 int NetWatchSetMode(pNWContext handle, int mode);
 
-#endif                          /* SICSNETWATCHER */
+#endif                          /* NETWATCH_H */