Incorrectly removed timeout variable in PNF

Also, putting memset back to help us locate a
bug in the handling of the def_dci_pdu_rel15

nfapi/open-nFAPI/pnf/src/pnf_p7.c

@@ -3264,10 +3264,6 @@ int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
 
 	struct timespec pselect_start;
 
-	struct timespec timeout;
-	timeout.tv_sec = 0;
-	timeout.tv_nsec = 500000;
-
 	struct timespec slot_duration;
 	slot_duration.tv_sec = 0;
 	slot_duration.tv_nsec = 0.5e6;
@@ -3283,6 +3279,9 @@ int pnf_nr_p7_message_pump(pnf_p7_t* pnf_p7)
 		FD_ZERO(&rfds);
 		FD_SET(pnf_p7->p7_sock, &rfds);
 
+		struct timespec timeout;
+		timeout.tv_sec = 100;
+		timeout.tv_nsec = 0;
 		clock_gettime(CLOCK_MONOTONIC, &pselect_start);
 
 		//setting the timeout