Fix indentation (should use spaces)

Signed-off-by: DL6ER <dl6er@dl6er.de>

Author: DL6ER

cJSON.c

@@ -570,10 +570,10 @@ static cJSON_bool print_number(const cJSON * const item, printbuffer * const out
     {
         length = sprintf((char*)number_buffer, "null");
     }
-	else if(d == (double)item->valueint)
-	{
-		length = sprintf((char*)number_buffer, "%d", item->valueint);
-	}
+    else if(d == (double)item->valueint)
+    {
+        length = sprintf((char*)number_buffer, "%d", item->valueint);
+    }
     else
     {
         /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */