[Hell] Added delay to halting while loops

examples/Hellschreiber/Hellschreiber_Transmit/Hellschreiber_Transmit.ino

@@ -55,7 +55,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   // initialize Hellschreiber client
@@ -68,7 +68,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 }
 

examples/Hellschreiber/Hellschreiber_Transmit_AFSK/Hellschreiber_Transmit_AFSK.ino

@@ -65,7 +65,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 
   // initialize Hellschreiber client
@@ -78,7 +78,7 @@ void setup() {
   } else {
     Serial.print(F("failed, code "));
     Serial.println(state);
-    while(true);
+    while (true) { delay(10); }
   }
 }