Fix build from implicit declaration.

Turn the warning on by default and turn on -Werror so this doesn't
happen next time.

Change-Id: Id65bf0cb63bbf0ff224655b425463ae2f55435df
diff --git a/minadbd/Android.mk b/minadbd/Android.mk
index f4b060b..dce004f 100644
--- a/minadbd/Android.mk
+++ b/minadbd/Android.mk
@@ -1,22 +1,22 @@
 # Copyright 2005 The Android Open Source Project
-#
-# Android.mk for adb
-#
 
 LOCAL_PATH:= $(call my-dir)
 
-# minadbd library
-# =========================================================
-
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := \
-	adb_main.c \
-	fuse_adb_provider.c \
-	services.c \
+    adb_main.c \
+    fuse_adb_provider.c \
+    services.c \
 
-LOCAL_CFLAGS := -O2 -g -DADB_HOST=0 -Wall -Wno-unused-parameter
-LOCAL_CFLAGS += -D_XOPEN_SOURCE -D_GNU_SOURCE
+LOCAL_CFLAGS := \
+    -Wall -Werror \
+    -Wno-unused-parameter \
+    -Wimplicit-function-declaration \
+    -D_GNU_SOURCE \
+    -D_XOPEN_SOURCE \
+    -DADB_HOST=0 \
+
 LOCAL_C_INCLUDES := bootable/recovery system/core/adb
 LOCAL_WHOLE_STATIC_LIBRARIES := libadbd
 
diff --git a/minadbd/adb_main.c b/minadbd/adb_main.c
index a62881d..f6e2401 100644
--- a/minadbd/adb_main.c
+++ b/minadbd/adb_main.c
@@ -21,9 +21,11 @@
 
 #define  TRACE_TAG   TRACE_ADB
 
-#include "adb.h"
 #include "sysdeps.h"
 
+#include "adb.h"
+#include "transport.h"
+
 int adb_main(int is_daemon, int server_port)
 {
     atexit(usb_cleanup);
diff --git a/minadbd/fuse_adb_provider.c b/minadbd/fuse_adb_provider.c
index e926285..2386e82 100644
--- a/minadbd/fuse_adb_provider.c
+++ b/minadbd/fuse_adb_provider.c
@@ -21,6 +21,7 @@
 
 #include "adb.h"
 #include "fuse_sideload.h"
+#include "transport.h"
 
 struct adb_data {
     int sfd;  // file descriptor for the adb channel
diff --git a/minadbd/services.c b/minadbd/services.c
index 357c222..7e419cc 100644
--- a/minadbd/services.c
+++ b/minadbd/services.c
@@ -14,18 +14,19 @@
  * limitations under the License.
  */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
 #include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 #include "sysdeps.h"
-#include "fdevent.h"
-#include "fuse_adb_provider.h"
 
 #define  TRACE_TAG  TRACE_SERVICES
 #include "adb.h"
+#include "fdevent.h"
+#include "fuse_adb_provider.h"
 
 typedef struct stinfo stinfo;
 
@@ -52,7 +53,8 @@
     s = adb_strtok_r(NULL, ":", &saveptr);
     uint32_t block_size = strtoul(s, NULL, 10);
 
-    printf("sideload-host file size %llu block size %lu\n", file_size, block_size);
+    printf("sideload-host file size %llu block size %" PRIu32 "\n", file_size,
+           block_size);
 
     int result = run_adb_fuse(sfd, file_size, block_size);