[PATCH 13/16] arch: x86: xen: Add prototype for xen_start_kernel in enlighten.c

enlighten.c defines xen_start_kernel which is used only in this file and is not defined in any header file. So add a proto- type for the same above the function definition. This satisfies the -Wmissing-prototypes gcc warning: arch/x86/xen/enlighten.c:1534:34: warning: no previous prototype for

[PATCH 13/16] arch: x86: xen: Add prototype for xen_start_kernel in enlighten.c

enlighten.c defines xen_start_kernel which is used only in this file and is not defined in any header file. So add a proto- type for the same above the function definition. This satisfies the -Wmissing-prototypes gcc warning: arch/x86/xen/enlighten.c:1534:34: warning: no previous prototype for