Eliminate the following warning in proc/vmcore.c:
  fs/proc/vmcore.c:1088:6: warning: no previous prototype for `vmcore_cleanup' [-Wmissing-prototypes]
[akpm@linux-foundation.org: clean up powerpc, remove unneeded EXPORT_SYMBOL]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 extern void crash_fadump(struct pt_regs *, const char *);
 extern void fadump_cleanup(void);
 
-extern void vmcore_cleanup(void);
 #else  /* CONFIG_FA_DUMP */
 static inline int is_fadump_active(void) { return 0; }
 static inline void crash_fadump(struct pt_regs *regs, const char *str) { }
 
        }
        free_elfcorebuf();
 }
-EXPORT_SYMBOL_GPL(vmcore_cleanup);
 
 
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
                                                unsigned long, int);
+void vmcore_cleanup(void);
 
 /* Architecture code defines this if there are other possible ELF
  * machine types, e.g. on bi-arch capable hardware. */