diff -urN net-snmp-5.4.1.org/include/net-snmp/library/tools.h net-snmp-5.4.1/include/net-snmp/library/tools.h
--- net-snmp-5.4.1.org/include/net-snmp/library/tools.h	2006-09-01 19:38:16.000000000 +0200
+++ net-snmp-5.4.1/include/net-snmp/library/tools.h	2007-11-03 11:11:37.466103816 +0100
@@ -50,11 +50,11 @@
 
 /** @def SNMP_FREE(s)
     Frees a pointer only if it is !NULL and sets its value to NULL */
-#define SNMP_FREE(s)    do { if (s) { free((void *)s); s=NULL; } } while(0)
+#define SNMP_FREE(s)    do { if (s) { free(s); s=NULL; } } while(0)
 
 /** @def SNMP_SWIPE_MEM(n, s)
     Frees pointer n only if it is !NULL, sets n to s and sets s to NULL */
-#define SNMP_SWIPE_MEM(n,s) do { if (n) free((void *)n); n = s; s=NULL; } while(0)
+#define SNMP_SWIPE_MEM(n,s) do { if (n) free(n); n = s; s=NULL; } while(0)
 
     /*
      * XXX Not optimal everywhere.