code sanitizations (fix some compiler warnings)

include/sdcard.h

@@ -8,7 +8,6 @@
 #if (HAS_SDCARD)
 #if HAS_SDCARD == 1
 #include <mySD.h>
-//#include <SD.h>
 #elif HAS_SDCARD == 2
 #include <SD_MMC.h>
 #else
@@ -38,8 +37,7 @@
 
 #define SDCARD_FILE_NAME "/paxcount.%02d"
 #define SDCARD_FILE_HEADER "date, time, wifi, bluet"
-#define SDCARD_FILE_NAME       "paxcount.%02d"
-#define SDCARD_FILE_HEADER     "date, time, wifi, bluet"
+
 #if (COUNT_ENS)
 #define SDCARD_FILE_HEADER_CWA ",cwa"
 #endif

src/blecsan.cpp

@@ -116,7 +116,6 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
                                     esp_ble_gap_cb_param_t *param) {
 
   esp_ble_gap_cb_param_t *p = (esp_ble_gap_cb_param_t *)param;
-  uint16_t hashedmac = 0;
 
   ESP_LOGV(TAG, "BT payload rcvd -> type: 0x%.2x -> %s", *p->scan_rst.ble_adv,
            btsig_gap_type(*p->scan_rst.ble_adv));
@@ -162,7 +161,11 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
 
       // hash and add this device and show new count total if it was not
       // previously added
-      hashedmac =
+
+#if (COUNT_ENS)
+      uint16_t hashedmac =
+#endif
+
           mac_add((uint8_t *)p->scan_rst.bda, p->scan_rst.rssi, MAC_SNIFF_BLE);
 
 #if (COUNT_ENS)