Teach crunchide(1) about PPC ELF64.

usr.sbin/crunch/crunchide/Makefile

@@ -10,7 +10,7 @@ CFLAGS+=-DNLIST_AOUT
 SRCS+=	exec_aout.c
 .endif
 
-.if ${TARGET_ARCH} == ia64 || \
+.if ${TARGET_ARCH} == ia64 || ${TARGET_ARCH} == powerpc64 || \
     ${TARGET_ARCH} == sparc64 || ${TARGET_ARCH} == amd64
 CFLAGS+=-DNLIST_ELF64
 SRCS+=	exec_elf64.c

usr.sbin/crunch/crunchide/exec_elf32.c

@@ -176,6 +176,10 @@ ELFNAMEEND(check)(int fd, const char *fn)
 #define	EM_PPC		20
 #endif
 	case EM_PPC: break;
+#ifndef EM_PPC64
+#define	EM_PPC64	21
+#endif
+	case EM_PPC64: break;
 #ifndef EM_SPARCV9
 #define	EM_SPARCV9	43
 #endif