don't deref NULL. It can have bad results.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9587 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_cpp.h

@@ -10,7 +10,7 @@ extern "C" {
 #endif
 #include <switch.h>
 #define this_check(x) do { if (!this) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "object is not initalized\n"); return x;}} while(0)
-#define this_check_void() do { if (!this) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "object is not initalized\n");}} while(0)
+#define this_check_void() do { if (!this) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "object is not initalized\n"); return;}} while(0)
 #define sanity_check(x) do { if (!(session && allocated)) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "session is not initalized\n"); return x;}} while(0)
 #define sanity_check_noreturn do { if (!(session && allocated)) { switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "session is not initalized\n"); return;}} while(0)
 #define init_vars() allocated = 0;						\