Fix Mac builds.

Change-Id: I0eb029395a3afd2f93a7632d7d3d20d28c2ab189

libcutils/Android.mk

@@ -65,12 +65,6 @@ ifneq ($(strip $(USE_MINGW)),)
     WINDOWS_HOST_ONLY := 1
 endif
 
-ifneq ($(WINDOWS_HOST_ONLY),1)
-    commonSources += \
-        fs.c \
-        multiuser.c
-endif
-
 
 # Static library for host
 # ========================================================
@@ -107,7 +101,9 @@ LOCAL_SRC_FILES := $(commonSources) \
         android_reboot.c \
         ashmem-dev.c \
         debugger.c \
+        fs.c \
         klog.c \
+        multiuser.c \
         partition_utils.c \
         properties.c \
         qtaguid.c \