Fix new warnings for gcc 8.3.

Author: wb2osz

geotranz/mgrs.c

@@ -400,7 +400,7 @@ long Make_MGRS_String (char* MGRS,
   if (Zone)
     i = sprintf (MGRS+i,"%2.2ld",Zone);
   else
-    strncpy(MGRS, "  ", 2);  // 2 spaces
+    strcpy(MGRS, "  ");  // 2 spaces - Should i be set to 2?
 
   for (j=0;j<3;j++)
     MGRS[i++] = alphabet[Letters[j]];

geotranz/usng.c

@@ -367,7 +367,7 @@ long Make_USNG_String (char* USNG,
   if (Zone)
     i = sprintf (USNG+i,"%2.2ld",Zone);
   else
-    strncpy(USNG, "  ", 2);  // 2 spaces
+    strcpy(USNG, "  ");  // 2 spaces - Should i be set to 2?
 
   for (j=0;j<3;j++)
     USNG[i++] = alphabet[Letters[j]];

igate.c

@@ -1863,7 +1863,7 @@ static void maybe_xmit_packet_from_igate (char *message, int to_chan)
  *	-> Raise the rate limiting value.
  */
 	if (ig_to_tx_allow (pp3, to_chan)) {
-	  char radio [500];
+	  char radio [2400];
 	  packet_t pradio;
 
 	  snprintf (radio, sizeof(radio), "%s>%s%d%d%s:}%s",

kissutil.c

@@ -774,7 +774,7 @@ void kiss_process_msg (unsigned char *kiss_msg, int kiss_len, int debug, int cli
 	       printf ("ERROR - Invalid KISS data frame from TNC.\n");
 	    }
 	    else {
-	      char prefix[100];		// Channel and optional timestamp.
+	      char prefix[120];		// Channel and optional timestamp.
 					// Like [0] or [2 12:34:56]
 
 	      char addrs[AX25_MAX_ADDRS*AX25_MAX_ADDR_LEN];	// Like source>dest,digi,...,digi:

log2gpx.c

@@ -325,10 +325,10 @@ static void read_csv(FILE *fp)
 	    things[num_things].speed = speed;
 	    things[num_things].course = course;
 	    things[num_things].alt = alt;
-	    strncpy (things[num_things].time, pisotime, sizeof(things[num_things].time));
-	    strncpy (things[num_things].name, pname, sizeof(things[num_things].name));
-	    strncpy (things[num_things].desc, desc, sizeof(things[num_things].desc));
-	    strncpy (things[num_things].comment, comment, sizeof(things[num_things].comment));
+	    strlcpy (things[num_things].time, pisotime, sizeof(things[num_things].time));
+	    strlcpy (things[num_things].name, pname, sizeof(things[num_things].name));
+	    strlcpy (things[num_things].desc, desc, sizeof(things[num_things].desc));
+	    strlcpy (things[num_things].comment, comment, sizeof(things[num_things].comment));
 
 	    num_things++;
 	  }
@@ -543,4 +543,4 @@ static void process_things (int first, int last)
 	}
 	printf ("    <name>%s</name>\n", safe_name);
 	printf ("  </wpt>\n");
-}
+}

mheard.c

@@ -243,9 +243,9 @@ static void mheard_dump (void)
 	int i;
 	mheard_t *mptr;
 	time_t now = time(NULL);
-	char stuff[80];
-	char rf[16];		// hours:minutes
-	char is[16];
+	char stuff[120];
+	char rf[20];		// hours:minutes
+	char is[20];
 	char position[40];
 	mheard_t *station[MAXDUMP];
 	int num_stations = 0;