Fixed warning with Wstrict-prototypes issue #39

uefi/crt_aarch64.c

@@ -69,7 +69,7 @@ char *__argvutf8 = NULL;
 #endif
 
 /* we only need one .o file, so use inline Assembly here */
-void bootstrap()
+void bootstrap(void)
 {
     __asm__ __volatile__ (
     /* call init in C */

uefi/crt_x86_64.c

@@ -69,7 +69,7 @@ char *__argvutf8 = NULL;
 #endif
 
 /* we only need one .o file, so use inline Assembly here */
-void bootstrap()
+void bootstrap(void)
 {
     __asm__ __volatile__ (
     /* call init in C */

uefi/uefi.h

@@ -1300,7 +1300,7 @@ extern void free (void *__ptr);
 extern void abort (void);
 extern void exit (int __status);
 /* exit Boot Services function. Returns 0 on success. */
-extern int exit_bs();
+extern int exit_bs(void);
 extern void *bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size, __compar_fn_t __compar);
 extern void qsort (void *__base, size_t __nmemb, size_t __size, __compar_fn_t __compar);
 extern int mblen (const char *__s, size_t __n);