Remove const integers from HAL and define undefined structs
am: 564211e861

* commit '564211e861e1ac0aa3bd02d92b8c4e12b96d2fbd':
  Remove const integers from HAL and define undefined structs

Change-Id: If14cb118c7fb980e5f50c3ba1e291ffed7e46964
diff --git a/include/hardware_legacy/gscan.h b/include/hardware_legacy/gscan.h
index d72fccb..a5ceaba 100644
--- a/include/hardware_legacy/gscan.h
+++ b/include/hardware_legacy/gscan.h
@@ -15,14 +15,14 @@
     WIFI_BAND_ABG_WITH_DFS = 7,             // 2.4 GHz + 5 GHz with DFS
 } wifi_band;
 
-const unsigned MAX_CHANNELS                = 16;
-const unsigned MAX_BUCKETS                 = 16;
-const unsigned MAX_HOTLIST_APS             = 128;
-const unsigned MAX_SIGNIFICANT_CHANGE_APS  = 64;
-const unsigned MAX_EPNO_NETWORKS           = 64;
-const unsigned MAX_HOTLIST_SSID            = 8;
-const unsigned MAX_BLACKLIST_BSSID         = 16;
-const unsigned MAX_AP_CACHE_PER_SCAN       = 32;
+#define MAX_CHANNELS                16
+#define MAX_BUCKETS                 16
+#define MAX_HOTLIST_APS             128
+#define MAX_SIGNIFICANT_CHANGE_APS  64
+#define MAX_EPNO_NETWORKS           64
+#define MAX_HOTLIST_SSID            8
+#define MAX_BLACKLIST_BSSID         16
+#define MAX_AP_CACHE_PER_SCAN       32
 
 wifi_error wifi_get_valid_channels(wifi_interface_handle handle,
         int band, int max_channels, wifi_channel *channels, int *num_channels);
diff --git a/include/hardware_legacy/wifi_hal.h b/include/hardware_legacy/wifi_hal.h
index 264d8f8..5fa003f 100644
--- a/include/hardware_legacy/wifi_hal.h
+++ b/include/hardware_legacy/wifi_hal.h
@@ -76,6 +76,8 @@
 typedef int64_t wifi_timestamp;                 // In microseconds (us)
 typedef int64_t wifi_timespan;                  // In picoseconds  (ps)
 
+struct wifi_info;
+struct wifi_interface_info;
 typedef struct wifi_info *wifi_handle;
 typedef struct wifi_interface_info *wifi_interface_handle;