headers_check fix: linux/capability.h

fix the following 'make headers_check' warning:

  usr/include/linux/capability.h:73: extern's make no sense in userspace
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>

include/linux/capability.h

@@ -69,10 +69,6 @@ typedef struct __user_cap_data_struct {
 #define VFS_CAP_U32             VFS_CAP_U32_2
 #define VFS_CAP_REVISION	VFS_CAP_REVISION_2
 
-#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
-extern int file_caps_enabled;
-#endif
-
 struct vfs_cap_data {
 	__le32 magic_etc;            /* Little endian */
 	struct {
@@ -96,6 +92,10 @@ struct vfs_cap_data {
 #define _KERNEL_CAPABILITY_VERSION _LINUX_CAPABILITY_VERSION_3
 #define _KERNEL_CAPABILITY_U32S    _LINUX_CAPABILITY_U32S_3
 
+#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
+extern int file_caps_enabled;
+#endif
+
 typedef struct kernel_cap_struct {
 	__u32 cap[_KERNEL_CAPABILITY_U32S];
 } kernel_cap_t;