Don't output ICMP errors with -q option (#1)

src/fping.c

@@ -1901,6 +1901,7 @@ int handle_random_icmp( FPING_ICMPHDR *p, int psize, FPING_SOCKADDR *addr )
 #endif
     {
     case ICMP_UNREACH:
+        if( !quiet_flag ) {
             sent_icmp = ( FPING_ICMPHDR* )( c + 28 );
         
 #ifndef IPV6
@@ -1953,6 +1954,7 @@ int handle_random_icmp( FPING_ICMPHDR *p, int psize, FPING_SOCKADDR *addr )
                 fprintf( stderr, "\n" );
         
             }/* IF */
+        }/* IF */
 
         return 1;
 
@@ -1960,6 +1962,7 @@ int handle_random_icmp( FPING_ICMPHDR *p, int psize, FPING_SOCKADDR *addr )
     case ICMP_REDIRECT:
     case ICMP_TIMXCEED:
     case ICMP_PARAMPROB:
+        if( !quiet_flag ) {
             sent_icmp = ( FPING_ICMPHDR* )( c + 28 );
 #ifndef IPV6
             if( ( sent_icmp->icmp_type == ICMP_ECHO ) &&
@@ -1990,6 +1993,7 @@ int handle_random_icmp( FPING_ICMPHDR *p, int psize, FPING_SOCKADDR *addr )
                 fprintf( stderr, "\n" );
         
             }/* IF */
+        }/* IF */
 
         return 2;