fixed tlm_str and str errors

afsk/main.c

@@ -494,10 +494,11 @@ int get_tlm(void) {
     char footer_str[] = "\' > t.txt && echo \'KU2Y>CQ:hi hi ' >> t.txt && gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/CubeSatSim/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1";
 
 //    printf("%s-1>%s-1:", (uint8_t *)src_addr, (uint8_t *)dest_addr);  
-	
+
+    char str[1000];
     char tlm_str[1000];
 
-     strcpy(tlm_str, header_str2);
+     strcpy(str, header_str2);
 //    printf("%s-1>%s-1:hi hi ", (uint8_t *)src_addr, (uint8_t *)dest_addr);     
 	  
     int channel;
@@ -512,9 +513,9 @@ int get_tlm(void) {
     }
 	
 //	  char cmdbuffer[1000];
-	  strcat(tlm_str,footer_str);
-	  fprintf(stderr, "String to execute: %s\n", tlm_str);
-	  FILE* file2 = popen(tlm_str, "r"); 
+	  strcat(str,footer_str);
+	  fprintf(stderr, "String to execute: %s\n", str);
+	  FILE* file2 = popen(str, "r"); 
 //     	  fgets(cmdbuffer, 999, file2);
       	  pclose(file2);
 //	printf("Response: %s\n", cmdbuffer);